When you picture Mother's Day, you likely imagine flowers and brunch and happy moments with Mom — but thank goodness for Hollywood, which serves as a reminder that this special holiday isn't always picture perfect.

After the jump, a look at how some of our favorite celebrities honored mothers everywhere, complete with a rating on how well their moms fared in the rearing of their children.

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Lindsay Lohan hosted the Scandanavian Style Mansion this weekend in LA. By the looks of things, her celebrity status has dropped a bit, as she managed to only attract friends of famous people (Alli Sims), sisters of kinda-famous people (Khloe Kardashian) … and Paris.

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Britney Spears celebrated her 26th birthday on Saturday night with a party at the stupidly-named Scandinavian Mansion of Style. Guests included Paris Hilton and Spears' cousin, Alli Sims.

After swigging "drink after drink," the birthday girl took to the gift suite, picking up $30,000 in furs, a $10,000 diamond ring and $4,000 worth of no-name sunglasses.

More pictures after the jump. Quite understandably, nobody looks to be having fun.

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