Marcello Hernández made a cameo during Sabrina Carpenter's Los Angeles concert last night. The Saturday Night Live cast member and comedian got the microphone during the segment of Carpenter's Short n' Sweet where she arrests an audience member for being too hot.

Sabrina Carpenter’s Short n’ Sweet Tour took over The Kia Forum on Sunday, and a surprise guest from Miami was featured. Before the singer was set to perform her sexy song

Christina Aguilera made a surprise appearance at Sabrina Carpenter's concert at the Crypto.com Arena in Los Angeles on Friday, Nov. 15 to duet a pair of her hit songs, 'Ain't No Other Man' and 'What a Girl Wants.

Aguilera, 43, strutted into the venue, wearing a black bustier and over-the-knee silver boots while performing a vocal riff that launched a rendition of “Ain’t No Other Man.” Carpenter, 25, subsequently joined her at center stage to complete the number, per social media footage. They also sang Aguilera’s “What a Girl Wants.”