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

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

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

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

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

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 ...

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

Christina Aguilera has a "special bond" with Sabrina Carpenter. The 43-year-old pop star - who found success as a teenager in ...