The 2016 Rio Olympics Opening Ceremony is set to begin at 8 PM local time in Brazil tonight. With the big hour drawing ever closer, here's a glance at some of the photos and comments that members of Team USA shared as they prepared for the big event.

Rio 2016Day 0duds on display

Three-time Olympian John Nunn, who will compete in the men's 50km race walk on Aug. 19, shared a photo of the Polo threads that he and the rest of Team USA will don for the evening.

Potential trouble was on the horizon for Tavis Bailey, who will take part in the men's discus throw on Aug.

12. The 6-foot-3, 273-pound track and field star lamented a too-small jacket, and tweeted "If anyone wonders why I'm not waving it's because I want my jacket to stay in one piece."

Despite Bailey's issue, other Olympians looked snazzy in their gear, as evidenced by a tweet from Ashley Nee, who will take part in the women's K-1 whitewater event beginning on Aug. 8. Nee wrote "Athletes are starting to look sharp around here!!"

One such sharp-looking athlete, wrestler Kyle Snyder, modeledhis shirt and jacket for the camera.

Olympic selfies

Other athletes took the time to share photos of themselves around the Olympic Village before getting ready for the Rio Olympics Opening Ceremony.

Mom of three and track and field super star Chaunte Lowe, a four-time Olympian who will compete in the women's high jump, posted a photo from a run-in with USA basketball's Draymond Green, Kevin Durant, and Klay Thompson.

Also posting a fun selfie was beach volleyball star Lauren Fendrick, who was pleased to capturea shot with tennis mega star Serena Williams and Brooke Sweat.

Although the eventwill no doubt prove to be an unforgettable experience for the Team USA members who march behind flag bearer Michael Phelps, an afternoon tweet by gymnast Simone Biles, who is a heavy favorite to take gold in the women's all around competition, puts the games into perspective.

The image features the reigning world champion casting a determined stare at the balance beam and includes the simple caption "#Rio2016"

The 2016 Rio Olympics Opening Ceremony will begin at 8 PM local time in Rio de Janeiro. Fans can watch the show on NBC. The first medals of the games will be awarded on Aug. 6.

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