So many celebrity news stories, so little time! Thanks to a few of our fellow entertainment BFFs, Hollywire has rounded up some of our favorite and most-talked about news stories of the day! Kristin Cavallari talks her post-baby body, Ke$ha admits to drinking her own urine (gross) and Demi Lovato announces a special Valentine’s Day concert!

Let’s state the obvious – Kristin Cavallari looks fantastic after she welcomed her first son Camden last summer. But how did her body bounce back so quickly? [Celebuzz]

Can you believe Harry Potter has been around for 15 years? In honor of the anniversary, the covers for the series are getting a revamped look! [Teen]

Did 67-year-old actor Steve Martin become a dad for the first time a couple months ago? According to reports, that’s a definite yes! [CelebrityBabyScoop]

Ke$ha continues to be one of the weirdest, outrageous celebrities while chatting about her upcoming MTV documentary and admitted to drinking her own urine! [Popcrush]

Pretty Little Liars revealed fissures in one relationship, the strengthening of another, a mental breakdown, and a critical injury in last night’s episode. Warning: spoiler alert! [Hypable]

John Goodman brings a special clip of Monsters University while stopping by Late Night With Jimmy Fallon! [NextMovie]

Demi Lovato wants to give your heart a break on Valentine’s Day, announcing that she’ll be performing at the Top Shop opening at The Grove in LA tomorrow! [Buzznet]

Taylor Swift always seems to have good fashion taste that we all envy. Now you can steal her style with these fashion tips! [Gurl]