But now the 31 year old has surprised her fans with one ensemble no one could have anticipated – leggings, jumper and a pair of Ugg boots.
The Bad Romance singer was spotted looking casual as she stepped out on set of new movie, A Star Is Born.
With her long dark locks loose across her shoulders, the performer went bare-faced as she walked with the cast and crew.
Sporting a Mickey Mouse jumper and yellow hat, the songstress looked miles away from her usual colourful self.
And with a pair of pink Ugg boots on her feet, the musician was almost unrecognisable as she chatted to her friends.
Lady Gaga is currently filming new flick A Star Is Born with Bradley Cooper in Los Angeles.
The pop icon replaced Beyonce in the upcoming remake of the 1954 Judy Garland film.
It was reported that the singer was asked for by Bradley himself, who was instrumental in getting her the role.
"Bradley flew out t…