When it comes to things like lip injections, some celebrities own their love of getting work done, while others deny it — but their faces often speak for themselves. Check out the before and after photos of stars whose pouts look plumper — perhaps with a little help.

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Bella Thorne
This former Disney star's lips look fuller than ever before. One expert, Dr. Gary Goldenberg, told In Touch that “there is no question that she had lip augmentation procedure done, likely with fillers." In the past, Thorne has claimed her lips look plumper as a result of allergies, however if that were the case, her lips wouldn't still be fuller after having a reaction.

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Chrissy Teigen
Chrissy Teigen has been very open about the procedures she's undergone over the years, from buccal fat removal to an eyebrow transplant, but she's never said anything about getting lip injections. However, her lips do appear noticeably fuller than they were in previous years.

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Kylie Jenner
While Kylie says she's never had plastic surgery (and isn't against it), she has admitted to lip fillers — and has even regretted overfilling them. Now, full lips are part of her signature look.
Related: Kylie Jenner's style evolution.

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Lisa Rinna
Over the years, the Real Housewives of Beverly Hills star enhanced her lips to the point where she needed a reduction, and had her doctor remove some of the filler.

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Courteney Cox
Cox has spoken out about regretting some of the things she's done, including fillers, so she let them dissolve and now she's as "natural" as can be.

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Anna Faris
The actress wrote about trying lip injections in her memoir, Unqualified. "I started getting lip injections in my upper lip. I did it for a little bit and I noticed a small difference, but no one else ever said anything. I kept wondering if anybody else even noticed." A comment from a friend stopped her from getting any more.

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Khloé Kardashian
After fillers, Khloé described her face the only way Khloé can: "F*cked." She hasn't written them off completely, but says she is afraid to try them again.

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Christie Brinkley
The former model is ageless — but with a little help. Because of all the sun exposure she's had, she battles its effects with "a little bit of filler," including her noticeably plumper lips.

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Britney Spears
Spears admitted a few years back that she's had lip fillers done and other "fun stuff."

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Lindsay Lohan
There were rumours years back that, before LiLo's first prison stint, she got her pout plumped for those 14 days.

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Kim Zolciak-Biermann
A botched lip injection didn't stop the Real Housewives of Atlanta star from getting more. In fact, she opted to have them fixed and "even them out" — by getting more injections.

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Brielle Biermann
Kim's daughter, Brielle, documented her lip work on Snapchat. Now, the duckier, the better.

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Jessica Simpson
Jessica Simpson wasn't a fan of lip injections, and called "Restylane," which she had injected "fake." Four months later, they were back to what they were — which she prefers.

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Farrah Abraham
After lip implants gone wrong, the Teen Mom star got help and was able to get them fixed. But that hasn't stopped her from looking like she has had fillers on a regular basis.

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Brandi Glanville
The former Real Housewives of Beverly Hills star has admitted she's "made some mistakes" as far as fillers and Botox goes, but owned it, saying, "There's no shame in my game."

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Nicole Polizzi
The reality star, perhaps best known as Snooki, got her lips plumped — and it looks like she couldn't have been happier.
Related: 10 tricks for dry and itchy winter skin.

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Christina Aguilera
With such a ridiculously killer voice, there's no reason to let her plump pout distract from the amazing sound coming out of her mouth.

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Sharon Osbourne
In her book Unbreakable, Osbourne said she's been "tweaked, stretched, peeled, lasered, veneered, enhanced or removed altogether," and it looks like lip fillers were clearly a part of all that.

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Ellie Goulding
The singer has denied ever having had work done on her lips, chalking it all up to makeup — but can makeup really be that magical?

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Lala Kent
The Vanderpump Rules star has sworn off fillers and Botox for now, but we Lalalove her no matter what.
Related: 26 shocking celebrity beauty treatments.

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Stephanie Pratt
It's her sister-in-law, Heidi Montag, that usually gets noticed for all the work she's had done, but Pratt also looks like she may have undergone some changes.

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Heidi Montag
Heidi has undergone numerous surgeries and procedures over the years, and it appears that may have included lip injections.
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