Watson, who has starred in The Bling Ring, The Perks of Being A Wallflower and Noah, is currently shooting a political drama, Colonia Dignidad, in Buenos Aires alongside Daniel Bruhl and Julian Ovenden.
Back in October, Mack was seen escorting Emma to see the Broadway show , a hip-hop musical about the Founding Fathers.
Mack was educated at Princeton, along with his identical twin brother Robert Tyson Knight, who also goes by his middle name.
It looks like the New Year signalled the start of a new romance for Emma Watson.
The 25-year-old actress is rumoured to be dating 35-year-old tech manager William ' Mack' Knight – and things seem to be going well for the new couple.
According to reports, the British actress and her rumoured boyfriend recently enjoyed a seven-day getaway together in California's Big Sur coastal region, staying at the ,000-a-week Post Ranch Inn and stopping by a local bakery where they enjoyed a wood fire pizza together.
"Mack is just a normal, down-to-earth guy who has nothing to do with Hollywood, and Emma loves that," a source told the Emma Watson is reportedly dating William ' Mack' Knight "They are really happy with each other and see each other whenever Emma does not have work commitments." While news of the romance might be new to the public, it is not the first time the couple have been linked together.
” The story originated in Australian magazine Woman's Day, which quoted a source saying: "Harry didn't want her to feel like she was put on the spot. "He’s smitten – and it’s more than Emma's looks." The site reported the pair had been secretly dating since Watson parted way with her rugby player boyfriend Matthew Janney at the end of last year.The 24-year-old actress, who studied at Oxford, had been dating the student, who reads Russian at Oriel College, for around a year, with his friends saying they were “thrilled to bits” with the match.