Michelle Obama took to Twitter on Saturday night to congratulate Michael Phelps.
"Wow @MichaelPhelps! Barack & I have been cheering you on! We're so proud of you & what you've accomplished," the First Lady wrote.
The U.S. swimming champ took gold in his final Olympic race on Saturday. The win is the 18th gold and 22nd overall medal of his Olympic career.
Obama also congratulated Phelps on Tuesday night after his record-breaking victory.
Check out the tweet below.