- Your baby will probably learn to sit independently between the ages of 4 and 7 months. This is about the same time that he'll master rolling over and holding his head up. About 90 percent of babies can sit well for several minutes without support by the time they're 8 months old.eport Abuse. 4-7 months the average, but babies do not learn to sit up all on their own. You need to help them! Prop them up in a boppy or hold them in your lap with as little support as possible. Sit them up in shopping carts and encourage them to hold on to the front for balance instead of leaning back.
Karrueche Tran: Meet Chris Brown's Girlfriend. Rihanna is now in the unique position of being the other woman with her ex-boyfriend Chris Brown, who's currently dating aspiring model Karrueche Tran.
Chris Brown played the Rihanna card one too many times with Karrueche Tran ... we've learned Karrueche has not only broken up with him ... for safe measure she changed her number. Our sources say Karrueche exploded when Chris recently liked 2 fan photos on Instagram of Rihanna and him together.t seemed like just another night at Henry's in West Hollywood Saturday at 12:52 AM when Rihanna showed up. Then -- 3 minutes later -- Chris Brown shows up and walks inside. There's no sign of Rihanna's new BF, soccer star Karim Benzema. Fast forward to 2:01 AM.