'Harry Potter And The Half-Blood Prince' Takes Box-Office Crown

'Ice Age,' 'Transformers' round out the top three.

'Transformers,' 'Ice Age' Tied For Holiday Weekend Box Office Crown

'Public Enemies' debuts in third, with 'Proposal' and 'Hangover' rounding out top five.

Review: Ice Age: Dawn of the Dinosaurs -- The Franchise Begins to Cool