Lady Gaga's appearance at the Los Angeles premiere of her new film has left fans wondering. The singer's look has sparked speculation about possible cosmetic enhancements. Lady Gaga made a jaw-dropping entrance at the Los Angeles premiere of "Joker: Folie à Deux,

Joker: Folie a Deux is now in theaters but, inevitably, your mind starts wandering to what's next: Joker 3, perhaps, or even a Harley Quinn standalone film starring Lady Gaga? Director Todd Phillips has already addressed the possibility of helming both projects – and has given a definitive answer.

Lady Gaga will likely take on her first supporting actress Oscar run for “Joker: Folie à Deux.” But how far can “Mother Monster” take a movie with such abysmal reviews? “Joker: Folie à Deux” picks up with Arthur Fleck ( Joaquin Phoenix ),

The film, now in theaters, tantalized with the prospect of introducing Lady Gaga as Joker’s paramour, Harley Quinn (who goes by “Lee” in this film), and staging their psychotic hallucinations as grand musical numbers.

Here’s a look at this week’s biggest premieres, parties and openings in Los Angeles and New York, including events for Joker: Folie à Deux, Lonely Planet, The Franchise, Anora and La Máquina. Will Smith Is Finding Self-Discovery Through Music: "A More Honest Place for Me" 'Joker: Folie à Deux' Earns $7M in Box Office Previews,