United Kingdom, Dec. 14 -- Dick Van Dyke's 100th birthday celebrations were "perfect".

The Mary Poppins star celebrated his milestone birthday on Saturday (13.12.25) and to mark the occasion, his wife Arlene Silver led a flash mob in dancing to a medley of the actor's songs, and they were joined by family and friends for a party at their Malibu home.

Arlena, 54, told People magazine: "It went so perfect - just everything.

"And he was so happy. His face, I love to make him have that face.

"This felt so perfect."

The make-up artist admitted she felt "relieved, grateful and so happy" with how the day turned out.

The Diagnosis Murder star recently credited giving up cigarettes and alcohol for his long years.

Speaking at the Vandy High ...