Brandy shows off her engagement ring in Hawaii with future hubby, Ryan Press.
Gabrielle Union and her boyfriend, Dwyane Wade, rang in the New Year in Miami, Florida.
Mariah Carey asked her adorable twins Monroe and Moroccan and hubby Nick Cannon to join her on stage during a performance in Australia.
"We look good as a UNIT," tweeted Kevin Hart as he spent New Year's Eve with his children, Heaven Lee and Hendrix.
Lala Anthony brought in the New Year with Monica Brown and producer Rico Love in Miami, Florida.
A chiseled Trey Songz shows off that envious six pack after a performance in Dallas, Texas. #Motivation!
"Happy New Year from the Leakes," tweeted NeNe as she celebrated New Year's Eve with her ex-husband (and fiance?) Gregg.
Expectant mom Phaedra Parks brought in the New Year with fellow Real Houswives of Atlanta star Kandi Burruss.
Kimora Lee Simmons sends her fans a "postcard" while vacationing in St. Barts with her son, Kenzo.
"Life is such a beach," model Joan Smalls tweeted while visiting in her native Puerto Rico.
Ciara and her backup dancers get playful after a New Year's Eve performance in Baku, Azerbaijan.
"Heeeeyyyy! Happy New Year!!!" tweeted a fresh-faced Henson.
"Yep that's me in the Hawaiian Shirt!" tweetd a playful Usher.
"Loving the Pink hair! #Happy2013," tweeted Cole showing off her new 'do.
Christina Milian shows she's ready to party on New Year's Eve.