The 18-year-old's appearance has transformed significantly since he first attended his father's inauguration as a 10-year-old in 2017.

Barron Trump's towering presence stole the spotlight at President Donald Trump's inauguration, with fans online marveling at his height and his striking resemblance to his father.

A fan comments on Barron Trump's height at President Donald Trump's inauguration, from a post dated January 20, 2025 | Source: X/NotJubileeJim

Barron has grown into a striking young man. The youngest child of Donald and Melania Trump, who was just 10 years old when his father first took office in 2017, is now an 18-year-old. He turned heads on Inauguration Day 2025, looking sharp and confident in a tailored blue suit with an American flag lapel pin.

Barron Trump and his grandfather Viktor Knavs arrive for the inauguration of Donald Trump as the 47th president of the United States inside the Rotunda of the US Capitol in Washington, DC, on January 20, 2025 | Source: Getty Images

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His transformation over the years is undeniable. Barron's hair, now slicked back, presents a polished contrast to the middle-parted, combed-up style he sported in 2017. His face and aura reflect growth and maturity, with his head held high, exuding confidence. The suit added to his sophisticated appearance by perfectly complementing his poised demeanor.

Fans couldn't hold back their reactions to his stunning public appearance. One fan marveled, "Wow identical to his dad 😮." Another echoed, "He looks so much like his father." Several others couldn't help but emphasize the resemblance, "He looks exactly like his dad," and another pointed out, "Dad's old hairstyle."

Barron Trump looks on ahead of the Presidential Inauguration of Donald Trump on January 20, 2025 | Source: Getty Images

Many were more focused on his impressive height. One observer noted, "He's so tall," while another chimed in, "He is So tall now." A fan humorously declared, "Barron Trump stands a head taller than the rest 👑."

Viktor Knavs and Barron Trump in the Rotunda of the US Capitol in Washington, DC | Source; Getty Images

Others described him in detail, "Barron Trump literally the tallest in the room by a solid 5 inches," and another added, "Man Barron Trump towers over everyone! There is not a single person in the room that comes close to his height!"

Barron Trump and Melania Trump on January 20, 2025 | Source: Getty Images

Back in 2017, Barron stood beside Melania as she held the Bible for Donald Trump during his swearing-in ceremony as the 45th President of the US.

Donald Trump takes the oath of office as Melania Trump holds the bible and Barron Trump looks on, on the West Front of the US Capitol in Washington, DC, on January 20, 2017 | Source: Getty Images

In 2024, when Barron joined New York University (NYU), his dad praised his growth, "He's a very high aptitude child, but he's no longer a child. He's just passed into something beyond child-dom. He's doing great."

Baron Trump, Melania Trump, and Donald Trump arrive for services at St. John's Church as part of the Inauguration ceremonies in Washington, DC, on January 20, 2025 | Source: Getty Images

Barron graduated from Palm Beach's prestigious Oxbridge Academy on May 17, 2024. His parents attended the graduation ceremony with a source opening up about how Melania would continue guiding her son as he made choices about his future. The source added, "He is her world. She is proud of him, and she is the primary decision maker on Barron and his future."

Barron Trump takes part in his graduation at Oxbridge Academy in Palm Beach, Florida, on May 17, 2024 | Source: Getty Images

Barron received many college offers and took his time to make a decision. He considered studying at Pennsylvania University's Wharton School like his father did but ended up choosing NYU. "He's a very smart guy, and he'll be going to Stern, the business school, which is a great school at NYU," a proud Donald said.

Donald Trump takes the oath of office as Melania Trump holds the bible and Barron Trump looks on, in Washington, DC | Source: Getty Images

Stern is recognized as one of the top business schools in the US, boasting a highly competitive undergraduate program, with an acceptance rate of just 5 percent.

Barron Trump | Source: Getty Images

Donald shared that his son intends to continue playing soccer in college. Passionate about the sport, Barron has previously played for a DC United youth team. Now, he continues to shape his future at the prestigious business school.