Lady Gaga Oreos Hit Shelves Today, With a Twitter Scavenger Hunt for Signed Packs Underway

If you want to grab a pack of Lady Gaga's limited edition Oreos, all you need to do is head to your local grocer starting today. But if you'd prefer to have yours signed by the Mother Monster herself, you'll need to do a bit more work. Announced in December with few details on their...