Since the couple broke-up, Arnold has been dating Heather even though the divorce has not been finalized.
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Going hand in hand: Heather matched the former bodybuilder with a black gown that featured a thigh-high slit The happy couple both looked dressed to the nines as they posed inside the Award venue in front of European race-cars.
He was spotted on a bike ride with a mystery woman in Santa Monica, , just the day before.
Arnold is working on a movie where he will play James Hook in Oleg Stepchenko's 18th century-set sequel Viy 2: Journey to China alongside Jackie Chan.
Maria filed for divorce from the Austrian-born actor after it was revealed in 2011 that Arnold had a love-child with the family's maid.