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 ...

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

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

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

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

Christina Aguilera gushes over her bond with Sabrina Carpenter!Following their recent performance together during Carpenter’s ...

Sabrina Carpenter is achieving all of her dreams. The singer is currently performing her "Sweet and Sour" tour; for one of ...

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

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

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