Selena Gomez and Cara Delevingne sang a very sweet happy birthday to Kendall Jenner yesterday. So. Cute. ICYMI you can check it out here. Kendall's friends and family took to social media to share messages of love for the model, who's had an absolutely stellar year! After walking the SS15 runways for the likes of Chanel, Givenchy, Dolce & Gabbana and Marc Jacobs to name a few, we can’t wait to see what’s next for Kendall – whatever it is, we’re sure it’s going to be amaze