Jennifer Love Hewitt Sports a Lady Gaga Hair Bow

Credit: Flash City

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Jennifer Love Hewitt donned Lady Gaga's signature hair bow while celebrating her 31st birthday over the weekend. The Ghost Whisperer star threw an '80s-themed bash in Toluca Lake, Calif. Sunday.

Gaga, 24, has said she sleeps in the hairstyle. She even gifted a hair bow wig to Oprah Winfrey during a January appearance.

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"[Lady Gaga] is who I am. Me and my hair bow, we go to bed together. She sleeps where I sleep," she told the Associated Press.

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It’s not the only odd look Gaga has sported. For a Feb. 10 performance, the singer glued hundreds of white pearls of her face.

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"I wanted tonight to be special," she told of her out-there look at the amFAR gala, which also included a pearl-encrusted bikini, cropped jacket, hat and platform boots.