The "What a Girl Wants" singer attended the grand opening of H&M’s new flagship store in Times Square on Nov. 21, ...

Sabrina Carpenter‘s Short n’ Sweet Tour concert in Los Angeles became even more special with Christina Aguilera’s surprise ...

Christina Aguilera flaunted her super-svelte and enviable figure in a daring ensemble during a surprise performance with ...

Sabrina Carpenter brought out Christina Aguilera for a surprise performance during the first Los Angeles show of the final ...

Sabrina Carpenter was joined by Christina Aguilera for an unforgettable moment during her Short n' Sweet Tour stop in Los ...

Christina Aguilera made a surprise appearance at Sabrina Carpenter's concert at the Crypto.com Arena in Los Angeles on Friday ...

At Crypto.com Arena on Friday, Carpenter delivered a concert worthy of her place as one of biggest pop stars of the year. She ...

"The Voice" alum Christina Aguilera gave fans and a fellow entertainer a huge surprise that generated quite the frenzy.

Aguilera sang her hits “What a Girl Wants” and “Ain’t No Other Man” as she joined Carpenter onstage at Crypto.com Arena.

Fresh from being nominated for half a dozen Grammy Awards, the 25-year-old pop star brought her tour behind this year's ...

Aguilera, 43, strutted into the venue, wearing a black bustier and over-the-knee silver boots while performing a vocal riff ...

Sabrina Carpenter brought sparkle and sarcasm — plus Christina Aguilera — to Los Angeles on her 'Short n' Sweet' tour.