Kylie Jenner Is 'Very Proud That She's Only 21 and Accomplished so Much Already,' Says Source

Kylie Jenner has way more to celebrate this year than just turning 21. A Keeping Up with the Kardashians source tells PEOPLE that the Kylie Cosmetics mogul had the best time celebrating her birthday alongside family and friends. "She gets a bit emotional thinking back about everything amazing that has happened this year," the source explains, adding that "after her big party" at Delilah, a restaurant-lounge in Los Angeles, "she had a smaller birthday celebration at home with Stormi." "She just l...