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Aliana Lohan, Ali Lohan

Bennett Raglin/WireImage

Lindsay Lohan's not the only one in the family who can rock a crop top—check out Ali Lohan!

The 21-year-old model (also known as Aliana) showcased her abs in a midriff-baring top at the Ranbeeri Denim launch party Tuesday. Ali, who appears in the new clothing brand's launch campaign, co-hosted the fête, which was held on the roof deck of Jimmy at the James hotel in New York City.

But modeling isn't all LiLo's little sis is up to these days—she's working on her music career, too! "I wouldn't exactly call it ‘work' because I feel it's what I'm here to do," she told WWD. "I'm creating new music and am very grateful to be fulfilling my dream. I'm so excited for the whole world to hear it and I feel many people will be able to relate."

This won't be Ali's first foray into singing—there was her 2006 Christmas album, Lohan Holiday, and her 2008 single "All the Way Around." Then in 2013, at Lindsay and mom Dina Lohan's encouragement, she launched a YouTube account and sang a pretty legit cover of Christina Aguilera's 2002 hit "Beautiful."

At the time, Lindsay tweeted out a link to Ali's YouTube channel, writing, "You're finally going to hear my little sister's beautiful voice...Check out her new YouTube channel!"

Clearly, coming from a famous family has its perks, but Ali's hoping to find her own way in the entertainment industry. "I would just like to be known as my own person," she told WWD back in 2013. "I don't need to ride on any coattails. I just want to make my mark myself. I definitely have to prove myself—just showing up on time and doing everything that you're supposed to do."