1 of 12
How does Team U.S.A. get around the Olympic Village? "On the back of a golf cart!!!" according to Aly Raisman (far right), who shared this photo with fellow gold medalists McKayla Maroney and Kyla Ross.
2 of 12
The winningest athlete in Olympic history shared this photo with fellow gold medalist – and training partner – Allison Schmitt, writing, "@arschmitty and I coming back on he bus!! Way to go Allison!! So proud of u!"
3 of 12
"Channeling our inner Bolt," Tweeted the member of Team U.S.A.'s Fab Five gymnastics team as she and her teammates mimicked Jamaican runner Usain Bolt's signature move. "Usain where you at??"
4 of 12
5 of 12
Members of the U.S. Dream Team – Chris Paul, Lebron James and Kevin Durant – got shown up by the runner, who Tweeted, "The only girl in the photo flexes as the guys smile amp hug.Toughen up @cp3 @kingjames amp @kdtrey5 we got medals to win."
6 of 12
The winning duo hit the pool for one more workout, which Phelps documented. "Starting our last workout today together!!" he Tweeted.
7 of 12
The tennis pro's dog Maggie May is active on Twitter – and apparently, has Olympic aspirations! The pooch "posted" this photo wearing Murray's gold medal, writing, "Just checking to make sure Rusty definitely has the silver, obviously." (The account is run by Murray's girlfriend, Kim Sears.)
8 of 12
Nailed it! Keeping with the trend of colorful Team U.S.A. Nails, the swimmer showed off her bright tips, writing, "My new nails to cheer team USA."
9 of 12
The adorable British diver shared this shot of the stadium from the athlete footbridge. What a view! And the stadium looks nice, too.
10 of 12
"London traffic has me feeling right at home. #405," Tweeted the runner, posting this shot of the congested London streets – check out those double-decker buses! – which resemble the infamously clogged L.A. freeway.
11 of 12
Gold isn't just for medals! The swimmer shared this photo of his posh present from Gillette – "my own personally gold plated and diamond encrusted razor. #jeah."
12 of 12
Friendly competition? The U.S. track and field star posed with Jamaican runners Yohan Blake and Usain Bolt, Tweeting, "Im posting notes on their backs saying USA #1. The USA vs JAM rivalry continues."
Ellen and Portia Have a PDA-filled Day, Plus Gwyneth Paltrow, Keke Palmer, John Stamos & More
10 Seriously A-list Selfies We Wish We'd Photobombed
Star Tracks: Celebs on Social