Talk about your two-for-one sightings!
Decked out in black bikinis, the sexy stars soaked in the sun before taking part in Oakley's Learn to Ride surfboard event.
Later, Greene tweeted an update, along with an Instagram photo showing cuts on her leg.
"War wound from surfing today with Oakley. The reef ate me up. #worthit," she wrote.
Speaking of Instagram, Hudgens recently reached 1 million followers on the social media site.
Well, in seeing pictures like the one above, we can't say we're surprised!