Lily Allen's trashtastic performing outfit

Lily Allen wore a gray tank top without a bra, leopard-print leggings and Louboutin heels to a performance with Mark Ronson at the 02 Wireless music festival at Hyde Park in London yesterday. The story-telling pop singer and Ronson did two songs together, 'Oh My God' and 'Littlest Things,' throughout most of which Lily smoked a cigarette.

I am not bashing a girl for gaining weight, but for losing her style. I love her pink hair, and she can really rock the retro dresses and skirts. Change out of your night clothes before you go on stage, girl! You're so cute when you try.

I know how hard it is to force yourself to buy new clothes when you've gained weight. You don't want to go shopping because then you'd have to admit that you've gone up a size or two. But when you finally do it you'll wonder what took you so long - and be more ashamed that you went out dressed like that than the fact that you gained weight.

Here's Lily Allen doing the Kaiser Cheif's 'Oh My God' with Ronson in June, 2007. What a difference a year makes:

And here's the video for 'The Littlest Things'

Photo credit: Daniela D'Amato/ WENN

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