Relentless, in theaters Friday and available Jan. 16 on MasterClass, features the songwriter discussing her career alongside many famous artists she's written for. Warren has written songs for such artists as Cher,

The prolific songwriter, whose songs have appeared in more than 150 films, told Yahoo Entertainment she still gets "excited" about the Oscars "like it's the first time."

Refreshingly, the film knows that the best way to honor its subject is not to make her more “agreeable” or sugarcoat her sardonic tone but instead revel in it.

The wildfires have seen the city declare a state of emergency, with at least 70,000 people forced to evacuate their homes as the metropolitan area became blanketed in a thick cloud of smoke and ash

Diane Warren has written songs for some of the biggest names in music - creating hits for Beyoncé, Lady Gaga, Cher, and Steven Tyler, and winning Grammy, Emmy and Golden Globe awards. New documentary "Diane Warren: Relentless" explores her approach to songwriting.

Diane Warren has lost her beach house to the Los Angeles fires. On Wednesday, Jan. 8, the legendary songwriter shared an Instagram post where she revealed her beach house of 30 years is gone and posted a photo of a rock amid the ocean waves.

The pop songwriter and 15-time Oscar nominee proves to be an overbearing, blunt and ultimately refreshing documentary subject in director Bess Kargman’s film.