Kevin Federline celebrated turning 30 by getting smeared with cake at his birthday party.

He turned up for his big bash in a dapper suit but looked distinctly unstylish when friends plastered his face with the birthday surprise.

However, K-Fed – who is going through a bitter custody battle for the children he had with Britney Spears – didn’t seem too bothered after the incident at Pure nightclub in Las Vegas.

He laughed and joked with guests, and posed for the cameras despite having creamy gunge on his face.

Even another ex, actress Shar Jackson, was invited to the party.