CEO of Facebook Mark Zuckerberg was caught sneaking a peek at Jeff Bezos' fiancée Lauren Sanchez's cleavage during President Donald Trump's inauguration.

Facebook billionaire Mark Zuckerberg was busted apparently ogling at Lauren Sanchez’s cleavage during President Donald Trump’s inauguration on Monday, viral video shows. The Meta founder appeared to glimpse down at the 55-year-old’s in-your-face décolletage as he was sitting beside her in the Capitol Rotunda ahead of Trump’s swearing in ceremony.

Among the guests at Donald Trump's second inauguration in Washington, D.C. today were three billionaire tech CEOs: Amazon's Jeff Bezos, Tesla's Elon Musk, and Meta's Mark Zuckerberg. They were also joined by Google CEO Sundar Pichai and Apple CEO Tim Cook.

With her eyes almost entirely obscured by the rim of her wool boater-style hat, Melania Trump stood next to president-elect Donald Trump on stage at the inauguration ceremony as he pledged the oath of allegiance.

Eric Javits, the designer behind the viral hat worn by Melania Trump at the inauguration, told "CBS Mornings" he wasn't sure if the first lady would wear it due to the venue change.

President Donald Trump stopped by the Commander in Chief Ball, Liberty Ball and Starlight Ball, dancing to the same song at each of inaugural gala.

Here are the best-dressed guests and their looks from the inauguration ceremony of Donald Trump, newly sworn in as the USA's 47th president.

President Trump declared in his second inaugural address that a “golden age” of America had begun, drawing cheers with pledges to declare a national emergency at the southern border and boost oil drilling.