1 of 11
KATY & ZOOEY
Her striking resemblance to raven-haired, blue-eyed Perry is something that hasn't escaped New Girl star Deschanel's notice. "I don't think we look exactly alike, but I understand the comparison, and I'm not insulted by it," she told Allure. "She's really pretty."
2 of 11
3 of 11
4 of 11
5 of 11
LEA & IDINA
When Glee producers were looking to cast Michele's onscreen mom, they quickly landed on fellow Broadway veteran Menzel, who shares the starlet's dark hair and pouty lips. But while a fan campaign brought the resemblance to light, Menzel's husband Taye Diggs said, "We knew that existed far, far before the TV world did."
6 of 11
CHELSEA & ELIZABETH
Repeated run-ins with fans mistaking her for the comedian led Banks to make an appearance on Handler's late-night show and share an anecdote about their mistaken identity. "[A fan's] like 'I just love your books; My Horizontal Life,' and I was like, 'Oh, he thinks he's meeting Chelsea Handler,'" Banks said. "And I couldn't ruin it for him, you know. I was like 'yeah it's nice to meet you.'"
7 of 11
NINA & VICTORIA
Their similar hairstyles and heart-shaped faces have confused fans as to who's who, something the Victorious star has discovered first-hand. "I get this every single day. Everyone always confuses me for her," Justice told MTV, but added there's no hard feelings about the mix-up. "It's such a compliment because I think she's so gorgeous and she's so sweet."
8 of 11
ROSELYN & NICOLE
Both standing at 5 ft., 5 in., the lead singer of the Pussycat Dolls and the former star of Without a Trace also share similar dark eyes and hair and olive skin tone – no wonder the two could easily be mistaken for the other in Hollywood.
9 of 11
MINKA & LEIGHTON
The uncanny resemblance between the brunette beauties is what helped Meester and Kelly star as friends-turned-foes in 2010's Single White Female remake The Roommate, in which Meester's character attempts to make herself over in Kelly's character's likeness.
10 of 11
JEWEL & RENéE
When Jewel first entered the music scene, her golden waves and country twang drew comparisons to the star of Jerry Maguire – but not always for the right reasons. "My feelings were so hurt by that story," she told Shape of being dubbed the "chubby Renée Zellweger" early in her career.
11 of 11
WATCH: Amy Schumer Was in the Audience for Judge Judy and Twitter Cannot Handle It
Going to Couples Therapy, Scheduling Sex and Beyond: The Kristen Bell Guide to a Happy, Successful Marriage
Justin Theroux Reveals He Skipped His Friends Audition – and Shares Why It's Good to be Married to a 'Funny Woman'