Britney Spears may have looked "hot and blond" in the cameo she filmed for the Pussycat Dolls' new video, "When I Grow Up" — which will premiere on FNMTV Friday night — but we may never know just how hot and blond. Spears, who filmed a bit part in the video for the first single from the Dolls' upcoming album last week in Los Angeles, was edited out of the final cut of the clip.

A spokesperson for the Dolls could not be reached for comment on why Spears was not included in the video. The group's members did not elaborate on the edit during the taping of "FNMTV" Wednesday night in Los Angeles.

Spears was filmed last week driving in a car for her cameo, though an unnamed set source told US Magazine she did not interact with the group or dance while on set. "They all wave at each other as they are passing in traffic — that is it. Of course, Britney looks hot and blond. It is a very short sequence, but [Britney] had a lot of fun with it. Britney really likes the Dolls' music and when she saw them on the MTV [Movie Awards], she was totally down to do the video," the source told the magazine.

Neither Spears' nor the Dolls' spokespeople would comment on the shoot at the time and attempts to reach Spears' representatives on Thursday (June 12) about the now-shelved cameo were unsuccessful. The video was filmed just a few days after the Dolls performed the song in public for the first time at the MTV Movie Awards.

The hook-up with the Dolls was part of what has been a measured return to the spotlight for Spears after more than a year of personal and professional missteps and drama. It came on the heels of a two-episode arc on "How I Met Your Mother" that has sparked talk this week of a possible Emmy nomination.

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