By Rita Kokshanian
Dec 29, 2014 @ 11:29 am
Kourtneykardash/Instagram, sofiavergara/Instagram

Christmas may be over, but that's not going to stop the stars from celebrating! This weekend celebs from all over the country stepped out for birthdays, photo shoots, vacations, and more. Kourtney Kardashian made her first appearance since giving birth to her third child, a son named Reign Aston Disick. The reality starlet glowed alongside sisters Kim and Khloe at mom Kris Jenner's Christmas party. Meanwhile, Sofia Vergara celebrated boyfriend Joe Manganiello's 38th brithday in Hawaii. But they weren't the only ones having fun—take a look at our 10 favorite celebrity Instagrams from the weekend below!

1. Kelly Ripa

Going incognito......

A photo posted by Kelly Ripa (@kellyripa) on


2. Alessandra Ambrosio


3. Gwen Stefani


A photo posted by Gwen Stefani (@gwenstefani) on


4. Rosie Huntington-Whiteley


5. Sofia Vergara


6. Blake Lively


7. Lea Michele

Today's workout kicked my butt!!! 💪👍 #Livingthefitlife

A photo posted by Lea Michele (@msleamichele) on


8. Lena Dunham

This jacket= my most beloved vintage find of 2014 @thebeardedladystore

A photo posted by Lena Dunham (@lenadunham) on


9. Chrissy Teigen

Chicken and PANCETTA pot pie why not #throwapiginit

A photo posted by @chrissyteigen on


10. Kourtney Kardsahian

Couldn't imagine life without them. #sisters

A photo posted by Kourtney Kardashian (@kourtneykardash) on