"Crush" is a song by Mandy Moore on her third album, Mandy Moore (2001). It was the album's second single — following the mildly successful "In My Pocket" — and Moore's sixth. The single was released in mid-2001 (see 2001 in music).

The song peaked at number 19 on the Bubbling Under Hot 100 chart. It did chart also on the Pop Songs chart, where it stayed for five weeks and peaked at number 35. As the date, "Crush" has sold 7,000 physical copies and 138,000 paid digital downloads according to Nielsen Soundscan.

The "Crush" music video was directed by Chris Applebaum and edited by Nabil Mechi. On September 10, 2001, it became Moore's first video to reach the number-one spot on MTV's countdown show Total Request Live. In the video, Moore sits in her crush's room and tries to wake him up. She performs with her band in another room. The video ends with Moore wearing a replica of the jacket Michael Jackson wears in the "Thriller" music video. When she walks down the hall, she sees her crush and smiles.

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