Katy Perry light up the "X Factor" stage. Photo: Ken McKay / TalkbackThames, Rex USA

Has Katy Perry ever met a catsuit she didn't like? Survey says: No.

Just days after rocking a pink and purple latex catsuit for her new Purr fragrance campaign, the pop star donned a skintight black unitard embellished with sequins in a fireworks pattern for a performance on Britain's "X Factor."

Featuring a cutout panel that showed off the future Mrs. Russell Brand's cleavage, the retro leotard handily referenced the singer's latest single, "Firework."

Perry -- who is reportedly tying the knot with Brand in India this weekend -- paired the Jane Fonda-esque getup with Bedazzled peep-toe booties and her purple and blue West Ham highlights.

Given this catsuit craze, we're wondering if the performer is going to make it a hat trick with a white bridal bodysuit.

(After all, Perry was rumored to be getting hitched in a latex wedding dress.)

Meanwhile, check out the performer's recent dirndl look in Germany.

And get the details on her upcoming performance for Victoria's Secret.