Bromance alert! When 'Avengers' co-stars wished Robert Downey Jr

LOS ANGELES: Robert Downey Jr has turned 52 and his 'Avengers' co-stars wished him on his birthday in many hilarious ways.

Actors Chris Hemsworth, Chris Evans and Mark Ruffalo took to Twitter to give a shout-out to Downey Jr on his birthday.

"Happy birthday @RobertDowneyJr you haven't aged a day since this picture," tweeted Hemsworth, alongside a funny photograph, which shows the birthday boy donning a wig and appearing old and wrinkly with the "Thor" star giving a thumbs-up.

Happy birthday @RobertDowneyJr you haven't aged a day since this picture pic.twitter.com/bLLiDy7Czt

— Chris Hemsworth (@chrishemsworth) April 5, 2017

While Evans wrote, "Happy birthday to the legendary @RobertDowneyJr. Mentor. Life-saver. Friend. Hope your birthday is like a giant kiss on the lips!"

Happy birthday to the legendary @RobertDowneyJr. Mentor. Life-saver. Friend. Hope your birthday is like a giant kiss on the lips! pic.twitter.com/GK60sd8QLK

— Chris Evans (@ChrisEvans) April 4, 2017

The "Captain America" star posted a GIF alongside his sweet message which shows him going in for a smooch with Downey Jr dressed as Iron Man.

Ruffalo also took to Twitter and wrote, "Happy birthday @robertdowneyjr! A picture is worth a thousand words. #sciencebros4ever."

Happy birthday @robertdowneyjr! A picture is worth a thousand words. #sciencebros4ever pic.twitter.com/6oBygwbiV8

— Mark Ruffalo (@MarkRuffalo) April 4, 2017

The actor, who plays 'The Hulk' in the Marvel franchise, shared a picture from 'Jimmy Kimmel Live!' where he is sitting in Downey Jr's lap and gazing lovingly in his eyes, as the host along with the other 'Avengers' actors Scarlett Johansson, Jeremy Renner, Evans and Hemsworth watch the scene unfold in faux surprise.


A still from the movie 'Avengers'. (Image: https://www.facebook.com/avengers/)