Beauty blogger Alexis Wolfer joins us in studio for another fun week on We Spy Style! We're breaking down the backpack trend; discussing celebrity hairstyles in our newest segment, Oh Hey or No Way; and sharing some cute Valentine's Day outfit ideas! Plus, Miley Cyrus, Selena Gomez, and Taylor Swift go head to head in Mirror, Mirror. Play along with us using @POPSUGARFashion and #WeSpyStyle.

On Allison: Zara skirt, Otte top, Sachin + Babi jacket