American Idol wants to remind you all that it is not just a hugely successful reality TV show produced (and presented) by super-rich men in suits whose pockets it is happily lining....they also do some good in the world, and no not just because it gave us Kelly Clarkson!

Idol Gives Back is a foundation which helps children and young people in poverty in the USA and around the world through various means.

The Idol Gives Back 2008 show was filmed yesterday in L.A. and loads of stars turned up, performed, and presented. Some looked casual, some looked glam, some looked good, some looked not so good.

Miley Cyrus (left) performed at the show and she looked good in casual skinny jeans and a cute sequined, layered, camisole. She looked young and fun but I'm not fussed on the boots.

Also looking good was Teri Hatcher in a tailored black blazer, long white top and jeans. Wonder if her and Ryan shared any awkward moments?!

Looking not-so-good in their casual outfits were Fergie (left), who was shocking in shiny leather leggings, and Mariah Carey who was boring and cheap looking in a black vest and gold chain belt.

Some stars dressed up a bit more though, like Geri Halliwell who debuted new boyfriend, dancer Ivan FlipZ Velez, at the event. She wore the blue-grey version of a Herve Leger dress once worn by Rihanna in pink. She looked hot and her figure is amazing these days! In shape, but not too skinny as she has been in the past.

Reese Witherspoon presented at the event and looked demure and pretty in a simple LBD. All the details were on trend though: a waist belt, sheer top section and ruffles. Her bold red peep toes set of the whole look!

Looking not so good all glammed up was Idol judge Paula Abdul. The sweetheart neckline, red dress is actually pretty sexy, but poor Paula just always looks a mess! I don't know how she does it......but I think the secret's in the 80s bouffant hair.

I love the style of Carrie Underwood's off the shoulder Farah Angsana gown, but it seems a little OTT for this event, considering most people were in jeans! Plus I hate the iridescent colour orange/pink colour!

As a side note, Carrie was asked about rumoured boyfriend Chase Crawford and she said that they had broken up a couple of months ago via text because it just wasn't working so it's weird that it's all coming out in the press now. She said it was mutual. Hmm. Dumping via text, how classy!

For more information on Idol Gives Back or to donate, click here!