Amber Tamblyn is engaged ... to a much older man!

The "Sisterhood of the Traveling Pants" star will wed fellow actor David Cross. Her rep confirmed the news to Us Weekly.

Cross is best known for his comedic roles on "Arrested Development" and "Mr. Show." He's also been in over 40 movies.

Tamblyn, 28 and Cross, 47, began their May to December romance in 2008. Click on the "Launch Gallery" button below to see more celebrity couples who have major age differences.


The marriage is the first for both Tamblyn and Cross. No wedding date or details have been made public.

Congratulations to them both!

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