Adele's big Grammy win for best pop solo performance was upstaged Sunday night when a party-crasher interrupted her big moment.

In a blink-and-you'll-miss-it moment captured here, Vitalii Sediuk, a well-known Ukranian TV prankster, took to the stage as Jennifer Lopez and Pitbull presented Adele with her Grammy, telling the stunned British songstress, "I love you, Adele!"

Lopez, meanwhile, kept her composure, but shot the stage crasher a stern look before he exited. According to The Hollywood Reporter, Sediuk was detained by event security and kept overnight in an area jail for trespassing.

Sediuk, who is most well-known for being slapped by Will Smith on a red carpet after trying to kiss the star, was reportedly not invited to the awards show, but snuck in despite heavy security. According to The Hollywood Reporter, he took Adam Levine's seat, while the Maroon 5 frontman and Grammy performer sat on the floor.

While Sediuk will have his day in court in March for the trespassing incident, he's just lucky he didn't get a verbal lashing from Adele herself, who couldn't seem to hold her tongue in front of Chris Brown.