There were a lot of amazing moments at tonight’s Diesel 30th Birthday bash in Brooklyn’s DUMBO, but probably the most surprising was when British hip hop star M.I.A. joined T.I. onstage, only to reveal a very VERY big baby bump hanging over her acid wash jeans! (See photo below.)

THE RUMORS ARE TRUE!

There is absolutely no denying it, she has GOT to be preggers… if she is NOT pregnant, dear lord, that is one hell of a beer belly!

It’s safe to assume that the father is M.I.A.’s fiance, Benjamin Brewer (son of Warner Music Chairman Edgar Bronfman).

M.I.A. came out later to do a short set of her own (part of which was with N*E*R*D*, where she didn’t do her usual spirited dancing–leaving that to her backup singers and dancers. However she looked absolutely STUNNING as per usual, with long flowing hair (and way too obvious roots–probably not keeping up the coif b/c mommies shouldn’t dye their hair) and rocking tons of spandex bodysuits and leggings, accentuating her bulging belly, all the while looking like the coolest chick in the whole joint.

More photos of the Miss M.I.A.:

Here is a photo of her grazing her belly:

M.I.A. is one hot mama!

I was looking up some ethical shopping stuff today (I know, totally granola of me) and read that Diesel Jeans were actually produced more ethically than Calvin Klein jeans. So with that in mind, I’d like to mention that Diesel Jeans is planning what sounds like an amazing party “event” on it’s 30th birthday…on the same day in 17 different cities across the world, one of which is our very own NYC.

The location of the October 11th party is “top secret” (er.. it’s Pier 3 in DUMBO) but will feature a truly star-studded musical lineup like M.I.A. and Hot Chip… and you can get tickets by stopping by the Diesel stores in NYC, or a number of bars/record shops in the city.

Oooorrrr… you can send an email to contest @ themodernage.org with the subject line “DIESEL,” and your name, address, and telephone number in the email body. I’ll pick 5 people who will each receive a pair of tickets delivered at your doorstep. (Sorry, you must be 21+.) That’s right, you + M.I.A. + free food + cotton candy. Sounds rad, right? (The giveaway has ended, sorry!)

If this awesome sorta SFW video is any indication, this fiesta is going to rock:

Also on October 10th, there will be some limited edition “Dirty Thirty” jeans for sale at the Diesel store for only $50.

More info on the jeans:

‘Dirty Thirty’ denim will be available in two top selling styles: Matic for women and Heeven for men. The product features unique detailing such as a back patch with the xXx sign in Roman numerals to commemorate Diesel’s 30 years along with the words ‘Dirty Thirty’.’ Side embroidery will state the dates 1978-2008 and buttons will be customized with ‘Diesel 1978.’