READ MORE: Paul Newman felt 'guilty as hell' over affair with Joanne WoodwardBruce's ex-wife, fellow Hollywood actress Demi Moore, 60, and their daughters Tallulah, 29, Scout, 31, and pregnant Rumer, 34, were also in attendance.
Demi and Bruce were married for 13 years in the late 1980s and early 1990s, and remained close even after filing for divorce back in 1998.
Last year, Demi celebrated their "blended family" in a sweet social media post marking Bruce's birthday, which featured a snap of her and the actor.
In the photo, the Indecent Proposal actress could be seen holding a board full of food while the pair beamed. Demi wrote: "Happy birthday, Bruce!
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