Knocked Up, but no knock out

US sleeper hit of the summer Knocked Up has hit the box office chart on this side of the pond but has not managed to push Jason Bourne from the number one spot just yet.

Knocked Up, which stars Seth Rogen and Katherine Heigl as parents-to-be after they meet one night, debuted at number two for the weekend starting August 24th, according to AC Nielsen.

But Matt Damon in The Bourne Ultimatum stayed at the top for the second week, having now generated over £12.9 million in receipts.

Rush Hour 3, The Simpsons Movie and Harry Potter and the Order of The Phoenix made up the top five, while Transformers, Bratz: The Movie and Surf's Up are all family-friendly titles in slots six, seven and eight.

Comedy musical Hairspray spent its sixth week in the top ten and is sure to have pleased many cinemagoers this summer with its mixture of dance, drama and song. The film occupied ninth place this week.

Finally, Bollywood hit Heyy Babyy entered the chart at number ten, despite being shown on only 48 screens. It stars Akshay Kumar and Vidya Balan among others.

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