11 trends tracked about this subject — the full history, oldest to newest below.
Rihanna marks her daughter Rocki's first birthday by sharing previously unseen photos and videos showcasing the toddler's early fashion moments.
Larry Birkhead shares rare photos as Dannielynn Birkhead marks her 20th birthday with a bold hair transformation.
Salma Hayek marks her sixtieth birthday by stripping naked and skinny-dipping, inspiring widespread online entertainment coverage.
Actress Salma Hayek celebrates her 60th birthday featuring high-fashion attire and reflections on her career trajectory in Hollywood.
Hailey and Justin Bieber celebrate their son Jack Blues's second birthday with family photos and a festive pancake breakfast.
Actress Halle Berry marks her 60th birthday with a series of vacation photographs and a celebration of her ageless appearance.
Kylie Jenner celebrates her 29th birthday with a curated 'Princess Kitty' themed event featuring a highly discussed custom cake.
Meghan Markle turns 45 with a kitchen dance, a Mahjong‑themed cake and a splashy pool dive in a black one‑piece swimsuit.
Martha Stewart celebrates her 85th birthday with a social media appearance featuring a black swimsuit and a hot tub.
Rob Kardashian steps into the spotlight, flashing a rare smile at Khloé’s birthday celebration
Keith Urban ends a year of silence with a four‑word birthday note to ex‑wife Nicole Kidman.