Stressed Depressed But Well Dressed (White) - Your Life On A Shirt - Skreened T-shirts, Organic Shirts, Hoodies, Kids Tees, Baby One-Pieces and Tote Bags Custom T-Shirts, Organic Shirts, Hoodies, Novelty Gifts, Kids Apparel, Baby One-Pieces | Skreened - Ethical Custom Apparel
Pretty sure they are both from Brandy Melville. But I didn't find either on their site, so they're probably sold out. The "Stressed Depressed..." top has lots of copycats, though. Here's one from Skreened. You can change the color, and you can change the style to a tank top under "(More Styles...)" The floral one you may find similar ones at Forever 21 or Urban Outfitters. But with the fall season coming in, I'm not sure they'll have many tanks to choose from.