Shaquille O'Neal has joined forces with American Greetings to 'lend his personality and creative talent', composing customised digital birthday greetings for the card company's SmashUps range.

The basketball legend commented 'Everyone deserves a laugh, and to feel loved and appreciated, especially on their birthday. I’m excited to partner with SmashUps and American Greetings to help bring "big fun" to everyone and anyone on their special day'.