On another photo of the two friends, the former reporter turned philanthropist penned 'Happy 50th beauty ... sparkling birthday cake that seemed to match her gown. 'Pieces baby' she wrote ...

Justin Bieber is grateful for his mom! On Wednesday, April 2, the “Peaches” singer, 31, shared a childhood photo of his mother Pattie Mallette on Instagram to celebrate her milestone 50th birthday.

On Saturday, in a post on Instagram, Bill Gates wrote, “Happy 50th birthday, @microsoft. Thanks for the memories—and awkward photo shoots.” In the reel, he mentioned, "Unfortunately ...

Happy birthday. God bless". As per 'People', Mallette, who shares Justin with her ex Jeremy Bieber, also took to her Instagram page earlier this week to pen an emotional message ahead of her 50th.

Related: 14 of Pedro Pascal's Zaddiest Moments, in Honor of His 50th Birthday She concluded, "Happy Birthday PP!", tagging her friend's account and tacking on two more celebratory birthday emojis.

Justin Bieber celebrated his mom Pattie Mallette's 50th birthday ... Mallette on Instagram to celebrate her milestone 50th birthday. “50 MOMMMMMMMM luv that I get to be ur son,” his caption read.

Eva Longoria hosted a star-studded celebration for her 50th birthday ... my birthday (as it will be a month long 🤭) I felt so loved! Thank you to everyone who wished me a happy birthday!

7x NFL Super Bowl champ Tom Brady was a part of David Beckham's early 50th birthday bash ... debate between football and soccer. "Happy 50th @davidbeckham. I'm glad we finally agreed it's called ...

Eva Longoria's 50th birthday celebrations continued over the weekend. The longtime Hollywood star, known for her roles in "Desperate Housewives" and "Devious Maids," went viral for her stunning ...

Happy birthday to the most kind loving thoughtful and generous woman, I know (not to mention the sexiest). A second photo showed the two besties together, with Sanchez writing, 'Happy 50th Beauty ...