Justin Bartha, Lia Smith

Justin Bartha wed Lia Smith over the weekend in Hawaii, People reports. 

The actor, 35, and the fitness trainer tied the knot just before sunset on the island of Oahu with a reception following at Kualoa Ranch. Reese Witherspoon and her husband Jim Toth were among the guests in attendance.

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The couple, who met during a Pilates session at the Los Angeles gym where Smith works, announced their engagement in May. 

Bartha most recently starred in The Hangover Part III.