A source tells ET that the pair 'did some guest DJing together.'
Lady Gaga presents longtime friend, Frederic Aspiras, with the Hairstylist of the Year Award.
Check out all the stylish stars on the red carpet at this year's big gala.
The 'Star Is Born' actress turned heads on the red carpet in an elegant black-and-white gown.
The 'Born This Way' singer is a big fan of Ol' Blue Eyes.
The singer shocked the crowd at the Black Rabbit Rose in Hollywood on Thursday, March 14.
Fans freaked out at the news!
The designer and former fashion director for Gaga gushed about watching his friend win an Academy Award.
The fashion queen dons some of her best looks yet for the magazine's March/April cover.
One report says Streisand was given the choice to present either 'BlacKkKlansman' or 'A Star Is Born.'
Here's how the singer isn't caught watching her own movie!
The musician also shares how his collaboration, 'Nothing Breaks Like a Heart,' with Miley Cyrus came to be.
Lady Gaga opened up about her chemistry with Bradley Cooper on Wednesday's 'Jimmy Kimmel Live.'
The singer had a pretty strong reaction when it came to speculation that she and Cooper were 'in love.'
