Hollywood actor Robert Downey Jr. is in Korea to promote “Iron 3” and celebrated his birthday.

On April 4th, the actor attended the red carpet and his birthday party at Yeongdeungpo Times Square, where thousands of his fans waited for him.

The actor celebrated his 48th birthday with a huge iron man cake, cheers from the fans, and he said, "This is great to be here. It's been five years since we were in Korea with Iron Man 1. I remember fondly, and I am very impressed with the fan's reactions."

Music group MFBTY and singer Tiger JK, his wife Yoo Mi Rae and their son Jordan, who is a big fan of Iron Man were the special guests invited by the actor. The actor asked the family to come up to the stage and he and Jordan cut his birthday cake. The actor is said to have been very impressed by Jordan's knowledge of the movie.

The actor was very impressed by the fans' response, and he thanked them frankly for their love and support. The actor was also asked to dance to Gangnam Style, and he happily did it.

Just the day before, the actor was received by thousands of fans at the airport, where he signed some autographs and pose for the cameras.

The actor will continue with his world tour going to Beijing, Moscow, Munich, Paris and London next.