23 of the most daring outfits Megan Fox has worn over the last 20 years

Combining two seemingly disparate pieces (in this case, a school uniform-esque skirt and ripped up shirt) would become a major element of Fox's style.

At the time, Fox was starring on the ABC sitcom "Hope & Faith" with Kelly Ripa, Faith Ford, and Ted McGinley.

In another look that mixes disparate elements, Fox added a Nickelodeon-orange purse.

You can't see it here, but the dress is almost entirely backless, too.

The dress had an exaggerated skirt that poofed out at least a foot behind the "Transformers" star. It was designed by Zac Posen.

With Rainn Wilson, she co-presented the award for best kiss.

The cutout has a little snake detail that's easy to miss.

She paired the look with some glam waves.

The dress, designed by Yves Saint Laurent, almost looks like an optical illusion.

This dress was designed by Armani Privé, and it has Old Hollywood starlet vibes, which Fox has talked about liking. She even had a tattoo of Marilyn Monroe's face on her arm.

There's a lot going on with this Zuhair Murad dress.

This Jonathan Saunders dress has a sheer overlay over a miniskirt. She paired it with a bold leather belt, adding a little of her trademark edge.

She wore her hair in a simple side braid, opting to let the Cushnie et Ochs dress speak for itself.

She rocked bold red nails for the red carpet.

The halter gown was designed by Ferragamo. Although you can't tell in this photo, the dress also had a thigh-high slit.

This was one of Fox's first red carpet events after giving birth to her third son, Journey, in 2016.

We're still not too sure how those jeans work, but it's not the strangest denim we've ever seen.

This blazer was designed by Jonathan Simkhai and normally comes with matching pants.

She paired the suit with two of her favorite accessories: black pumps and a red lip.

This soft, feminine look designed by Blumarine differs from her usual edgy outfits.

The evening was actually their red-carpet debut — and Fox introduced her boyfriend's performance of "My Ex's Best Friend" and "Bloody Valentine" at the show.

This dress, which was designed by Mugler and looks like it was painted on her body, was the most-talked-about look of the evening — the only person who came close was her boyfriend, Machine Gun Kelly, who painted his tongue black.

Pink is one of Fox's go-to colors, but these pants with subtle pulls at the ankles paired with silver heels with bows is one of her all-time best looks. It was designed by Mach & Mach.