With all of her awesome Twitter-only offers, Bobbi Brown is going to accumulate so many followers that she'll be the beauty-guru version of Ashton Kutcher.

The beauty guru recently live chatted on Twitter, answering her fans' biggest beauty questions to launch her spring campaign. Pretty Powerful, which we got to preview first on StyleList.

And now, if you like Bobbi Brown products (and really, who doesn't?), you're going to want to get on board with her latest bright idea: Pretty Powerful Tuesdays. Starting today and continuing through March 30th, all you need to do is follow @AskBobbiBrown on Twitter.

Send her a tweet detailing how Bobbi Brown Cosmetics makes you feel pretty powerful -- her concealer gives you flawless skin? She's got just the right shade of red lipstick? -- for a chance to win some beauty goodies.

Visit here for for more details -- and four winners will be chosen at random each week, so get tweeting ASAP.