Adam Sandler, Pregnant Drew Barrymore Sing About Their Love on Tonight Show

How cute are these two?! Adam Sandler and Drew Barrymore sang a song about their love on The Tonight Show Starring Jimmy Fallon on Wednesday, Feb. 26. Having costarred in three romantic comedies together in their career -- 1998's The Wedding Singer, 2004's 50 First Dates and the upcoming Blended -- the good friends vowed to always love each other through song.

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"Every 10 years I promise to love you," Barrymore, 39, sang. "I'll always be true, even as we get older," Sandler, 47, sang back.

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The sweet, emotional duet also had its moments of humor. Sandler joked: "I will still love you when your boobs touch the floor." Barrymore, who is pregnant with her second child, quipped: "So, right now?"

After starring in three romantic comedies together, Adam Sandler and pregnant Drew Barrymore sang a song about their love on The Tonight Show Starring Jimmy Fallon on Feb. 26.

After starring in three romantic comedies together, Adam Sandler and pregnant Drew Barrymore sang a song about their love on The Tonight Show Starring Jimmy Fallon on Feb. 26.
Credit: Lloyd Bishop/NBC

Sandler ended the song by singing lyrics from his famous track in the Wedding Singer. "Oh, I could be the man who grows old with you," he sang. "I want to grow old with Drew-y."

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Watch Sandler and Barrymore's adorable duet in the video above.

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