By Colleen Kratofil
Updated April 09, 2015 09:59 PM

Kelly Osbourne certainly knows how to work a red carpet (she has her PhD in managing wardrobe malfunctions and knows the importance of prescription-strength deodorant). On Sunday, she’s taking her years of experience back to the MTV Movie Awards (with co-host Jessie J!). And while we wait in anticipation to see what she wears, Osbourne dishes on how she picks her red gowns, why her lavender hair is here to stay and more!

Kelly Osbourne

Jason Merritt/Getty

Although she still has three days to choose a dress (which translates to an eternity in red carpet years), she has “no idea” what she’s wearing. “I’m the worst,” Osbourne tells PEOPLE. But she does have a special trick to help the process.

“What I like to do, sometimes I’ll take two completely different couture dresses and cut them in half and sew them together again. But then the designers get upset,” she says.

Osbourne’s known to take the same risks in the hair department too (remember when she first got that buzz cut?), but she says she’s not planning on changing up her lavender shade anytime soon.

“I would never say never because that’s stupid, but I don’t think it’s a very wise move for me because it makes me feel good,” she explains. “If I put a blonde wig on, I feel like it’s just not me.”

She will, however, continue to mix up how she styles it. “I love playing with my hair. It’s something I’ve always done,” she says. “Cutting it, shaving it, growing it, dyeing it, because it will always grow back, and I’m really, really lucky to have the opportunity to work with such great hair stylists.”

She’s also lucky to have a lot of hair to work with. “I’ve got some good genes from my mum and dad to have a lot of hair. It still takes an hour to blow dry because I have so much. It’s crazy. People come up to me all the time and grab my hair and they don’t believe I don’t have tracks in.”

And because this marks a noteworthy reunion for Osbourne (she’s returning to the MTV red carpet after 13 years), she’s doing her best to make it as special as possible. “I’m trying to sweet talk them into doing it [the carpet] lavender for me so I can finally have a joke like, yup, [it’s] my carpet, which is my dream. But that doesn’t look like it’s going down too well, but you never know.”

We guess we’ll have to wait for Sunday to find out. Will you tune in to the MTV Movie Awards? How do you think Osbourne should style her hair? Share with us in the comments below.

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–Colleen Kratofil, with reporting by Melody Chiu