Botox, face lifts and other cosmetic procedures have become just routine beauty treatments in Hollywood. The only problem: not all of them are very subtle. Carry on reading to find out which A-listers should probably have spent their money on something else.

Meg Ryan was one of the most famous actresses worldwide in the late eighties and early nineties and she starred in several cult films such as When Harry Met Sally. But Meg's appearance has changed drastically over the last few years...

Meg's once beautiful face now looks like a mask.

Melanie Griffith is almost unrecognizable in this photo. She has looked completely different for years...

Still beautiful, but not quite as natural looking as Courteney Cox once was.

Cher is one of the most famous singers in the world. In the sixties she found fame working as a singer and an actress.

Cher is now over 70 and still looks fabulous! Just good genes? Not at all, as her face clearly shows. She's had quite the helping hand...

Red-haired Australian beauty Nicole Kidman became famous when she starred in Days of Thunder, Batman Forever and Eyes Wide Shut. However, she too, fell victim to the siren call of botox and fillers.

Nicole Kidman's face has become frozen from having too much botox injected into it.

Renée Zellweger wrote film history when she played Bridget Jones. She became an icon for women everywhere when she played loveable, slightly chubby "Bridget", which makes this next photo all the more shocking...

The world's press was deeply shocked when they saw Renée post-surgery in 2013. Her face had changed completely. She told "People" magazine that she was happy that she looked different, going on to say that she was now living a different, happier and more fulfilled life and was glad that it showed on her face.

...and this is what that work did to Teri Hatcher.