The Pussycat Dolls Reunite for First Time in a Decade on U.K.'s 'X Factor'

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The Pussycat Dolls

The group's set on the episode airing Saturday included "Buttons," "When I Grow Up," "Don’t Cha" and "React."

The Pussycat Dolls made their first live appearance together in a decade to perform a medley of past singles, as well as their new song "React," on the finals of the U.K.'s The X Factor: Celebrity.

The group's set on the episode airing Saturday included "Buttons," "When I Grow Up," "Don’t Cha" and "React."

Nicole Scherzinger — who also happens to be an X Factor judge — teased the Pussycat Dolls' reunion a few days before the performance, posting their logo along with the hashtag #PCDReunion on Instagram on Wednesday. She then announced that the girls would be touring the U.K. in April.

After the group's performance, Scherzinger returned to Instagram to declare that "it‘s good to be back with my girls."

Watch it below.

This story first appeared on Billboard.com.