Michael Jackson's Son Bigi Turned 18 and Looks so Grown-Up in Photos Shared by His Siblings Paris and Prince on His Birthday

Prince "Blanket" Jackson II, the youngest son of legendary musician Michael Jackson, is officially an adult. 

The notoriously reclusive teenager, who underwent a name change in 2015 and now goes by "Bigi," marked his 18th birthday last week with his closest family members.

Michael Jackson performs on stage during is "HIStory" world tour concert at Ericsson Stadium, November 10, 1996 | Photo: Getty Images

Michael Jackson performs on stage during is "HIStory" world tour concert at Ericsson Stadium, November 10, 1996 | Photo: Getty Images

Paris Jackson, the second of Michael's three children, posted a series of pictures on her Instagram page to celebrate her little brother.

The photos included two throwbacks of her and Bigi, as well as a current picture that included the two of them, their older brother Prince, and an acquaintance. It was captioned:

“My little brother is a legal adult today. what the [Expletive.] I used to change his diapers. Proud of the handsome, intelligent, insightful, funny, and kind young man he has become.”

Blanket Jackson attends the Los Angeles premiere of Michael Jackson 'THE IMMORTAL' World Tour at Staples Center January 27, 2012 | Photo: Getty Images

Blanket Jackson attends the Los Angeles premiere of Michael Jackson 'THE IMMORTAL' World Tour at Staples Center January 27, 2012 | Photo: Getty Images

Fans were thrilled to learn about the milestone, with many of them posting congratulatory messages in the comment section and expressing their shock at how quickly time has flown.

Michael Jackson had three children before he passed, Paris, Prince, and Blanket. However, while the legendary singer had Paris and Prince with ex-wife Debbie Rowe, Bigi's birth was through an unidentified surrogate. 

If you don't know much about the littlest Jackson, it could be because he has always been private. Paris and Prince have gone on to live normal lives in the public sphere since the King of Pop passed away over a decade ago, but Bigi has continued to keep a low profile.

What most people seem to remember about Bigi is the fact that he is the baby that Michael famously held over a balcony at the Adlon Hotel in Berlin back in 2002.

A towel shielded the baby's face at the time, and for most of his life, Bigi has continued to remain fiercely private.

In a 2017 interview with TODAY, Prince gushed about his two siblings, explaining that he has a special bond with Paris. As for Bigi, he hailed his younger brother's sense of maturity.

Over time, the world has seen little of Bigi. Last year, he appeared at Prince's graduation ceremony at Loyola Marymount University.

Prince also revealed on Instagram in May 2019 that both of them had stepped out to see a screening of Marvel's "Avengers: Endgame" with a couple of friends.

View this post on Instagram

#endgame

A post shared by Prince Jackson (@princejackson) on

Whether or not his transition into adulthood will help make him more open and social is still unknown, but for now, it's a quiet, family-filled birthday for the youngest Jackson.

Bigi enjoyed a quiet sushi dinner with his two older siblings for his birthday, while both of them went on to gush over him on social media moments later. 

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