Billie Eilish celebrated her 21st birthday with a star ... a limited edition Twenty One T-Shirt on her store to mark the occasion, which reads "been a good girl for 21 years" on the front.

Bill Gates and ex-wife Melinda Gates reunited for a special occasion this week—to celebrate their youngest daughter Phoebe Gates' 21st ... shirt and light blue pants. The birthday girl wore ...

On Wednesday, the actress, 61, shared a sweet photo of her daughter Vivienne on her Instagram as she celebrated her 21st birthday ... white shirts with red overalls. Neither little girl smiled ...

Sydney Thomas celebrated her milestone 21st birthday ... In her birthday post, Thomas showcased her Vegas style, donning a black dress, a floral top, and a sheer long-sleeve shirt paired with ...

“My 21st birthday dress,” (duh!) Hilton told Vanity Fair on Wednesday, October 30, while attending the CFDA Fashion Awards in New York City. “I feel that every girl should wear that dress on ...