WENN 1 / 10

Actress Rose Byrne walked down the aisle on Friday when she served as bridesmaid at her best friend's wedding in Australia.

RELATED: Celebs who have been bridesmaids

The star, who played an evil maid of honor in comedy hit "Bridesmaids," jetted from New York to Sydney to join the wedding party for her childhood friend and fellow actress Krew Boylan.

RELATED: Wonderwall visits the set of "Bridesmaids"

Byrne donned a pretty cream bridesmaid gown for the intimate ceremony at the Billich Gallery, where Boylan married finance worker Andrew Baud.

RELATED: Rose Byrne stuns at the Academy Awards

A source tells Australia's The Daily Telegraph, "Rose wouldn't have missed it for the world."

Byrne and Boylan have been friends since childhood, when they met at school.