Article continues below advertisementZoe Saldaña is baring it all in a steamy new photo. The Guardians of the Galaxy star, 47, stripped down to a pair of small black underwear, choosing to go topless in a carousel of snaps posted via Instagram on Monday, August 25. Saldaña kept her face out of frame, letting her loose hair cascade down as she showed off her sculpted back.Article continues below advertisementZoe Saldaña Stunned in a Topless SelfieSource: @zoesaldana/InstagramZoe Saldaña stunned in a new steamy photo.