The announcement of Lady Gaga's engagement to her boyfriend Taylor Kinney raises an important question, namely: who is this guy? 
 
 Taylor Kinney, 33, is an actor. He first met Lady Gaga in 2011, when he took a role in the video for her song You and I (or, more correctly, Yoü and I, the umlaut bringing high-fashion vibes to what is basically a country-and-western inspired pop song). In the video, Gaga is trussed to a wheel dressed in an avant-garde ruff, while Kinney plays a mad scientist menacing her with a metal cylinder and a high-pressure keyboard cleaner. Unlike the mad scientists of old, Kinney casts aside the long white coat and plays his part shirtless. 
 
 Acting without a shirt is one of Kinney's trademarks, and something he has used to good effect in his role as Lieutenant Kelly Severide, a fireman in NBC's Chicago Fire, his longest running acting gig (2012 to the present day). Severide is a doe-eyed, drug-addicted member of the team's rescue squad, a vulnerable beefcake who is naturally irrresistible to women. (IMDb lists "chiselled good looks" and "piercing blue eyes" as Kinney's other key attributes.) 
 
 The video for You and I is also notable for its sex scene, in which Kinney makes love to Gaga's mermaid alter ego, Yüyi. Gaga explained the symbolism of the moment thus: "No matter what you do, there's this giant boundary between you and someone else. So that's what it's about, perceiving in your imagination that there's something magical inside of you that you can make it work." 
 
 The pair began their relationship shortly after – or perhaps while – they filmed their scenes together. Gaga, who also appeared in the video as her male alter ego Jo Calderone (think: dorky Brando), spoke about her surprise at making a connection with her co-star. "I looked ridiculously crazy... I mean why he found me attractive just completely moves me," she said. "We were in the middle of this scene and I remember he kissed me and he wasn't scripted to kiss me and I was sort of like, 'Uh, was that real or was that fake?' And he just really didn't say anything. And that was fine by me." 
 
 According to Gaga, Kinney is a "hidden weirdo. He is extremely strange, actually, and we complement each other's weirdness. That's actually one of the first things he ever said to me. It's a Dr. Seuss quote, that you find in someone else a 'compatible weirdness.' And it was one of the first things he said to me." 
 
 He gave me his heart on Valentine's Day, and I said YES! A photo posted by @ladygaga on Feb 16, 2015 at 1:06pm PST 
 
 Kinney's background is wholesome and all-American. He studied at the Lancaster Mennonite School in Pennsylvania, where his yearbook page describes him as "volleyball star, carefree, goofy, committed". Eric Kennel, who played volleyball with Kinney at high school, was surprised to hear that Kinney was dating the world's most famous pop star: "He's not someone I would have picked to be in the situation he's in now," he said. 
 
 "He was the best player we had on the team," said Daren Good, another former teammate. "He was always kind of cool, suave, kind of quiet, easygoing. He was very friendly. Just a genuinely really nice guy. The girls were not afraid to chase after him." 
 
 After leaving high school, Kinney studied business management at West Virginia University, but headed off to Hawaii before he graduated and worked as a carpenter. His first acting gig was in Fashion House (2006), a short-lived television series also starring Bo Derek and Morgan Fairchild; he played Luke Gianni, heir to Derek's House of Gianni. 
 
 He then played an ambulance technician in Trauma (2009-10), which ran for 18 episodes. ("I remember it was a Thursday," Kinney said of the show's cancellation. "We got a call after I had gone saying it was cancelled. I didn't get to say goodbye to anyone.") He was a hunky werewolf in teen fantasy series The Vampire Diaries (2010-11) and a US Navy Seal in Kathryn Bigelow's Zero Dark Thirty (2012). 
 
 Kinney and Gaga were thought to have had a commitment ceremony in New York last October. It has been suggested that they might get married in space (Gaga is set to be one of the first passengers on Richard Branson's Virgin Galactic). 

 Another celeb Latina is walking down the aisle soon! Adrienne Bailon announced her engagement to longtime boyfriend Lenny Santiago earlier this week. The 31-year-old Boricua confirmed the engagement news on The Real with her co-hosts Loni Love, Jeannie Mai, Tamar Braxton and Tamera Mowry. Good things happen to those who wait! This chica's rock is HUGE and gorgeous. Wait until you see this looker! 
 
 Read more ¿Qué más?: Check out the most amazing engagement photos we've ever seen! 
 
 The lovebirds had been dating for six years before Lenny popped the question. He did it in such a romantic way too. Bailon revealed on the show that Lenny convinced her to go out to dinner one night and surprised her in a restaurant with her close family and friends. That's so sweet! 
 
 He gave a speech about how much he loves her and proposed with actual carrots. Once she accepted the veggie, he showed off her actual rock, which is to die for! Congrats to Lenny and Adrienne! 
 
 Here are 10 other celebs with engagement rings we love right now! 
 
 Images via Adrienne Bailon/Instagram 

 Lady Gaga announced Thursday that she will be delivering one of the musical performances during the Academy Awards this year. 
 
 Lady Gaga At The Oscars 
 
 Lady Gaga revealed the Oscar news on Instagram with a video, captioning it, “I’m performing live at the OSCARS this year!” 
 
 A video posted by @ladygaga on Feb 12, 2015 at 10:00am PST 
 
 Oscar producer Craig Zadan promised “a very special performance” by Gaga at the award show, though declined to mention what song the pop icon will be singing or whom she’ll be honoring. Zadan did, however, share a picture of Gaga at rehearsals. 
 
 BREAKING NEWS: Welcome @ladygaga to Dolby stage to appear on the #Oscars for a very special performance. It’s been a joy working you, Gaga! — Craig Zadan (@craigzadan) February 12, 2015 
 
 “Lady Gaga is a once-in-a-lifetime artist whose musical evolution keeps growing,” Zadan and his producer parter Neil Meron said in a release. “We are proud to have her perform on the Oscars for the very first time.” 
 
 Jennifer Hudson, Adam Levine, John Legend and Rita Ora will perform as well. While it’s unknown what Hudson will sing, the latter three will perform their Oscar-nominated songs. 

 Lady Gaga is engaged. 
 
 The “Artpop” singer said yes to longtime boyfriend Taylor Kinney when he popped the question on Valentine’s Day. 
 
 The singer shared the news on Instagram Monday when she posted a photo of the heart-shaped ring Kinney gave her. 
 
 He gave me his heart on Valentine's Day, and I said YES! A post shared by xoxo, Joanne (@ladygaga) on Feb 16, 2015 at 1:06pm PST 
 
 After the proposal, Gaga, 28, and the “Chicago Fire” actor celebrated at Joanne’s Trattoria, the restaurant owned and operated by her family, Us Weekly reports. 
 
 The couple first met on the set of Gaga’s “You and I” video back in 2011. 
 
 Last year, Gaga spoke about the dynamic of their relationship during an appearance on Sirius XM’s “Morning Mash-Up.” 
 
 When asked if she was submissive to Kinney, 33, she answered, “Yes, actually.” 
 
 “Oh yeah, he’s totally in charge. When I’m home, I’m like, shoes are off, I’m making him dinner. He has a job too and he’s really busy,” she explained. 
 
 She continued, “I’m in charge all day long. The last thing I wanna do is tell him what to do. It’s not good for relationships to tell men what to do, female listeners who are out there.” 
 
 A rep for Lady Gaga did not immediately return a request for comment. 
 
 See more of Lady Gaga and Taylor Kinney’s rock star romance: 
 
 Taylor Kinney and Lady Gaga cozy up at the Kennedy Center Honors in Washington on Dec. 7, 2014. Splash Kinney and Gaga share a laugh on Dec. 21, 2014. Instagram.com/taylorkinney11 Gaga and Kinney get close at a Harper's Bazaar party in New York on Sept. 5, 2014. Getty The couple share a cute moment on Sept. 4, 2014. Instagram.com/ladygaga Gaga and Kinney celebrate his birthday on July 15, 2014. Instagram.com/ladygaga Kinney takes a selfie with Gaga and Asia on May 7, 2014. Instagram.com/taylorkinney11 The couple get silly on April 6, 2014. Instagram.com/taylorkinney11 Kinney kisses Gaga on March 28, 2014. Twitter.com/ladygaga Kinney and Gaga watch Britney Spears' "Piece of Me" Las Vegas show on Feb. 5, 2014. Instagram.com/taylorkinney11 Kinney and Gaga smooch at a Golden Globes party in Beverly Hills on Jan. 12, 2014. NBC via Getty Gaga takes a seat on Kinney's lap on Dec. 15, 2013. Instagram.com/ladygaga Gaga steals a kiss from Kinney on Jan. 10, 2013. Instagram.com/taylorkinney11 Gaga and Kinney stroll through Amsterdam on Sept. 1, 2012. StarTraks Gaga gets naked in a pool with Kinney on Aug. 4, 2012. Bauer-Griffin / LittleMonsters.com Kinney and Gaga kiss on the set of her music video for "You And I" in 2011. Vevo.com/ladygaga Ad Up Next Jessica Simpson mimics 'Fifty Shades' with awkward snapshots 0:0 The pop and reality star shares her "Fifty Shades of... 15 View Slideshow Back Continue Share this: Facebook 
 
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– Lady Gaga and her love, Taylor Kinney, are headed down the aisle: The singer, 28, yesterday announced on Instagram that the couple plans to wed, showing a photo of a heart-shaped engagement ring on her finger with the caption, "He gave me his heart on Valentine's Day, and I said YES!" After the 33-year-old Chicago Fire actor proposed, the two headed off to dine at Joanne Trattoria—the restaurant owned by her dad, Joseph Germanotta—in New York City, US Weekly reports. The two met in 2011 while filming Gaga's "You and I" video, in which, as the Telegraph notes, Kinney's character makes love to Gaga's mermaid alter ego. Part of their attraction lies in what Gaga tells the Telegraph is their "compatible weirdness." He's a "hidden weirdo," she says. "He is extremely strange, actually, and we complement each other's weirdness." Page Six notes that Gaga had previously said in a radio interview that she's "submissive" to Kinney when they're in private and that he calls the shots. "When I'm home, I'm like, shoes are off, I'm making him dinner," she tells the paper. "He has a job, too, and he's really busy. I’m in charge all day long. The last thing I wanna do is tell him what to do. It's not good for relationships to tell men what to do, female listeners who are out there." No word on whether there any little monsters planned for the near future. Gaga also recently announced she'll be performing at the Oscars. (Click to check out 11 impressive celeb engagement rings.)