Michael Phelps Goes Practically Naked to Pajama Party with Girlfriend Nicole Johnson

Michael Phelps shows off his shirtless body in a new Instagram he posted on Christmas evening (December 25).

The 29-year-old Olympic swimmer spent the night with his girlfriend Nicole Johnson and friends.

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“Yep…. I forgot my pjs for the pjs party🙈🙈🙈…. Oops #gfore #aquasphere,” Michael captioned the photo.

During the day, Michael spent his time with his mom Deborah and his sisters Hilary and Whitney.

“Just having fun with my sisters!!! Merry Xmas!!!!” he captioned a selfie.