'Teen Mom' star Jenelle Evans debuted her new breasts in a neon pink leopard print bikini on a beach in North Carolina Monday.  

Evans, 20 wrote on her Twitter that she was in a so much pain after undergoing breast augmentation last week, taking her natural 34 B breasts up a size to a C.

I'm not going to lie, my boobs r hurting soooo bad I can't stop crying. :(, she tweeted Sunday.  

She posted a photo of herself in the pink bikini on her Twitter account. She said her new breasts are the perfect size now, according to the Hollywood Gossip.

According to the Daily Mail, a source said Evans got tired of having small breasts.

Fans and critics alike took to Twitter to tell Evans how the felt.

Some felt bad the teen mom and offered her advice because Evans wrote she was in 'so much pain after her surgery.

they're cute! And they fit you, good choice! one fan tweeted at her.

wow looks great just the right size J #jealous! another wrote.

Others on the social networking site were critical of Evans spending money on breast augmentation surgery.

don't you live in your car like a hobo skank slut? asked a user, in which Evans replied not anymore lol.

do you think the pain was worth it for them? asked another user. yesss :) she replied.

Evans wrote she wasn't interested in getting anymore plastic surgery.

hell no I wouldn't do any other kind of form of plastic surgery forever she responded to a tweet asking if she would ever get liposuction.

Her mother took care of her son Jace while she was in the hospital.

View pictures of her new boobs here.