Robert Downey Jr. & Bryan Cranston: Howard Stern's Birthday Bash Attendees!

Robert Downey Jr. and Bryan Cranston step out at Howard Stern’s Birthday Bash held at the Hammerstein Ballroom on Friday night (January 31) in New York City.

The guys were joined at the star-studded event by Jimmy Fallon, John Stamos, Jimmy Kimmel, Sarah Silverman, Louis CK, Whoopi Goldberg, and more.

PHOTOS: Check out the latest pics of Robert Downey Jr.

The week before, Robert hit the stage to present at the 2014 Producers Guild of America Awards held at The Beverly Hilton Hotel in Beverly Hills, Calif.

FYI: Sarah is wearing a Sofia by Sofia Vergara at Kmart sweater.

10+ pictures inside of Bryan Cranston, Robert Downey Jr., John Stamos, and more at Howard Stern‘s birthday party…