Here are some of my picks for worst makeup:

Giovanna Mezzogiorno – smokey eyes gone terribly, terribly wrong:

Giovanna Mezzogiorno - does the bad smoky eye!

Samantha Harris wearing last years face:

Samantha Harris wearing last years face

Keira Knightley had makeup and hair issues, IMO.  Hair looks like a bad attempt to go from dark to blonde.  Not to mention the baaaaad do:

Keira Knightley tries to make up for a bad look with a great necklace!

And Lisa, LISA.  I think you are so beautiful, but ease up on the makeup and the trout pout – the collagen is oozing!!

Lisa Rinna - what's up with those lips??