Cameron, 29, took to the stage on The Tonight Show starring Jimmy Fallon, while David, 26, performed on Jimmy Kimmel Live! Cameron showcased her latest single "Too Much," released in February.

Ariana Grande, who is no stranger to improv musical challenges, flexed her singing chops once again on Wednesday's episode of Jimmy Kimmel ... tonight, if you choose to accept it, is to sing ...

Jimmy Fallon made a surprise appearance at Nathaniel Rateliff & the Night Sweats’ sold-out show Thursday, March 27 at Madison Square Garden in New York City to the delight of fans at the iconic arena ...

Naomi Watts really did bring a singing Great Dane to The Tonight Show Starring ... singing voice. Much to Jimmy Fallon's astonishment, as soon as Watts sang a high note, Bing jumped up from ...

Jimmy Kimmel continues to welcome major A-listers ... Jimmy Fallon hilariously squirm during her frequent visits to The ...

Jimmy Kimmel is no stranger to hosting ... Shortly thereafter, Conan quit and Leno was reinstated on "The Tonight Show." ...