For last week's Beauty Mark It challenge I asked you to imagine a fantasy (er, nightmare) that required you to choose just one beauty product that you can't live without. I know, it's a tough job but somebody's got to do it. My personal choice was a dual-sided mascara that transitions my bare lashes from day to evening with just one tube. It was my way of getting two products in one!

The less deceptive winner of the challenge goes to Miss PopSugar herself, only because I can personally attest to her particular obsession with Prada's Shielding Lip Balm. She loves it because it "goes on smooth. Never greasy. The individual little tubes last a couple weeks so it's worth the expensive ticket especially if you are a lip-balm fanatic." She's not joking when she says she has two years worth!

Check out the rest of your picks below: