Miley Cyrus Dirty Dances For Boyfriend Liam Hemsworth At Chicago Nightclub! She's So Naughty!

Naughty-by-nature Miley Cyrus got down-and-dirty with boyfriend Liam Hemsworth at a Chicago nightclub Wednesday night—and it went down in plain sight of other party-goers, and her mom Tish!

“Liam was sitting down while Miley was dancing playfully and seductively,” a source tells the New York Post of the couple’s antics at Paris Club. “Nothing too over the top, though, as she was under the watchful eye of her mom. There was a very relaxed, good energy.”

Miley, 18—who was at Paris Club for a private party celebrating British retailer Topshop’s arrival in Chicago—also asked the DJ Kiss to  play some of her songs—just not “Party In The U.S.A.,” reports the Post.

The venue for Liam, 21, and Miley’s PDA was conducive for such racy behavior. It bills the 5,000-square-foot space as a “sophisticated, yet gritty atmosphere” featuring a “decor reminiscent of present-day Paris.”

The barely legal singer was in Chicago this week to open Topshop’s first-ever Chicago store. She was photographed at the store’s opening with Topshop owner Sir Philip Green and his daughter, socialite-designer Chloe, 20. Tweeted Miley on Wednesday: “In love with The Windy City :)”

Miley’s attendance at the opening fueled speculation that she’ll collaborate with Topshop, but according to the Daily Mail, the retailer would only say that the Chicago store would carry “specialized collaborations.”

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