35 of the best celebrity Halloween costumes of all time

AP/Charles Sykes; Getty/Charley Gallay, Jemal Countess

Mariah Carey, Heidi Klum, Chrissy Teigen, and Martha Stewart, all dressed up for Halloween.

The INSIDER Summary:

• Some stars take Halloween very seriously.
• Here's a look at more than a decade of celebrity costumes.

Need some Halloween costume inspiration? These stars have gone above and beyond when crafting their spooky getups for October 31.

Here are some of the greatest celebrity costumes of the past 13 years.