Lady Gaga is in stupid love ... In October, she spoke more about the engagement to Jimmy Kimmel, telling him that Polansky had the ring in his backpack and popped the question when they were ...

Jimmy Kimmel was also in attendance, opening the concert as well as introducing musical guests. He had the honor of introducing the most highly-anticipated musical guest, Lady Gaga, introducing ...

Celebrity couple Dove Cameron and Damiano David took the stage on "The Tonight Show" and "Jimmy Kimmel Live," respectively.

SEE ALSO: Thank you Jimmy Kimmel for slamming the GOP's new health care bill By positioning his baby at his monologue's heart and center, he's created the most sympathetic protagonist imaginable ...

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.' ...

Lady Gaga is as tired of the gossip ... who are incredulous at the endless speculation - Gaga has had enough of it too. Appearing on Jimmy Kimmel Live, the singer and actress rolled her eyes ...