AMAs 2011: Katy Perry Surprised With Special Achievement Award

Katy Perry was surprised with a special award of achievement at the American Music Awards on Sunday night.

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After singer performed her song "The One That Got Away" on the AMAs stage, Heidi Klum presented her with an award for being the first female pop singer to have five No. 1 singles off one album.

While accepting the award, Perry appeared visibly shocked in receiving the honor.

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Perry in August tied Michael Jackson's No. 1 singles record with five chart-topping hits off her current album, Teenage Dream, when "Last Friday Night (T.G.I.F)" reached the top spot.

That followed on the heels of lead single "California Gurls" (featuring Snoop Dogg), the title track, "Firework" and, "E.T." (featuring Kanye West).

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The album bowed atop the Billboard 200 album chart in September 2010.

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The 39th annual American Music Awards is taking place at Nokia Theatre at L.A. Live in downtown Los Angeles and airing on ABC.