Barron Trump had a sweet moment with his half-sisters, Ivanka Trump and Tiffany Trump, following their dad, Donald Trump's inauguration at the US Capitol in Washington D.C. on Monday. The 18-year-old NYU-Stern student smiled during a playful moment with his siblings while the pair posed for a photo.

Appearing on the main stage to engage in a formal waltz, Trump wore a custom black and white Givenchy gown that served as a recreation of the same 1954 haute couture silhouette that Hubert de Givenchy created for Audrey Hepburn,

Ivanka Trump showed her support at dad Donald Trump's presidential inauguration Jan. 20, alongside husband Jared Kushner and their kids Arabella, Joseph and Theodore. Read on to see all the attendees.