Singer demonstrates her assets ahead of 'A.K.A.' release
Pair don matching bowl-cut wigs and outfits in goofy "Tonight Show" bit
Tegan and Sara, Norman Lear also recognized at annual event
Mothers of Adam Levine, Jennifer Lopez Join Michelle Obama to promote Obamacare
Singer will play a dirty cop in series coming to NBC in 2015
After Sochi and Michael Sam, the times are certainly a changin'
The track will feature Jennifer Lopez and Brazilian singer Claudia Leitte
Pop star's 'MDNA' tour helped her bring in a whopping $125 million this year
Of the night's 16 performers, who rose above the rest?
From Gaga to Taylor, who really came out on top
Jennifer Lopez and TLC also added to the awards show bill
Show's 13th season will include Harry Connick, Jr.
Rights group says rapper's visit legitimized a 'human rights wasteland'