- Jennifer Aniston guest hosted ABC's "The Ellen DeGeneres Show" on Thursday, noting that it's filmed on the same Warner Bros. studio lot in Burbank, California where she filmed NBC's "Friends."
- The 50-year-old actress, who played Rachel Green for over a decade, paid a visit to Central Perk, a "Friends" set that's maintained for tour groups. (At the 2:45 mark.)
- She hid behind the couch as fans posed for photos and shared their favorite "Friends" characters before nonchalantly popping up to greet them.
- Upon seeing Aniston in her old stomping ground, some fans couldn't stop screaming. Others asked, "Am I dreaming?" and "Is there a mask on?" (At the 3:41 mark).
- Watch the full video below.
- Visit Insider's homepage for more stories.