Michael Phelps had a very exciting retirement party! The Olympic Champion celebrated the occasion pool-side with the likes of DJ David Guetta and Allison Schmitt.
PHOTOS: Hold Up! Michael Phelps Is NOT Swimming Into Louis Vuitton's Ad Campaign
The two-tier cake given to the swimmer read:
Aside from the news that the most decorated Olympian of all time has signed on to be the star of a reality TV show that will chronicle his professional golf training, Michael Phelps has also picked up a side gig as a model.