what business does she own?
Her perfume line is called " My Life" and her sunglasses line is called "Melodies by MBJ".
Mary J. Blige

In July 2010, Blige launched her first perfume, My Life (through Carol's Daughter), exclusively on HSN. The fragrance's success broke sales records in hours and has been awarded two prestigious FIFI awards from the Fragrance Foundation. The newest fragrance, My Life Blossom launched in August 2011 exclusively to HSN.

In October 2010, Blige released a line of sunglasses called "Melodies by MJB". 
what is drunk in love? A song. who wrote the song? Beyoncé and Jay-Z. did this receive any awards? Two Grammy awards for Best R&B Performance and Best R&B Song  and the Best Collaboration at the 2014 BET Awards. was the first singer part of a band? Yes, Girl's Tyme which later changed its name to the Destiny's Child. what is the relationship between the her and the second singer mentioned above? The second singer is her husband. when did he release his first album? In 1996. what was it? "Reasonable Doubt". anything uni UNANSWERABLE anything unique about his rapping style? He uses 'rests' to provide structure to a verse and how he uses 'partial linking' to add more rhymes to a verse. was he arrested for any crime? Yes, for stabbing Lance "Un" Rivera . was he convicted or imprisoned for this crime? He was put on a three-year probation sentence. who did he collaborate with on his afore-mentioned first album? It  includes guest appearances from Memphis Bleek, Mary J. Blige, Jaz-O and The Notorious B.I.G., among others. who is the second person mentioned here? She is an singer-songwriter, actress, and philanthropist. apart from singing, has she involved herself in any other ventures? She's a business woman as well.
wiki:19508036
Mary J. Blige [SEP] Other ventures
In 2004, Blige launched her own record label, Matriarch Records, distributed through Interscope, and in mid-2012, discovered girl group Just'Us, making the group the first ladies of the label. Blige says "These are my little Mary's; they each remind me of myself at different points in my life." Blige has been reported to be working with Just'Us on their debut album. In July 2010, Blige launched her first perfume, My Life (through Carol's Daughter), exclusively on HSN. The fragrance's success broke sales records in hours and has been awarded two prestigious FIFI awards from the Fragrance Foundation. The newest fragrance, My Life Blossom launched in August 2011 exclusively to HSN.