Donald Trump Jr. is seen flaunting his romance with socialite Bettina Anderson in Palm Beach...with no sign of fiancée Kimberly Guilfoyle

Hand in hand, Donald Trump Jr. and his new socialite love Bettina Anderson enjoyed a romantic night out at an exclusive Palm Beach eatery as part of her lavish birthday celebrations, exclusive DailyMail.com photos reveal. These exclusive DailyMail.com photos are the most compelling evidence to date that Donald Trump Jr. has moved on with new Palm Beach 'it girl' Bettina Anderson The new couple were spotted walking hand in hand after a romantic dinner in Palm Beach, Florida, on Monday celebrating Anderson's birthday Anderson herself has been dropping not-so-subtle hints of the romance, sharing photos of a romantic flower delivery in an Instagram story, on which she discreetly tagged her new beau, @donaldtrumpjr at the top left corner The President-elect's eldest son chivalrously opened the passenger door for her and guided her inside. Anderson – wearing loose and flowing black pants with a black vest-like top and clutching a maroon purse with a gold clasp – stayed close to her man as they approached his pickup truck Don Jr., 46, dressed in a smart blue suit and white shirt open at the neck, revealed no inhibitions about showing off his new flame as they emerged from the restaurant just before 10pm Exclusive DailyMail.com photos show the President-elect's eldest son chivalrously opened the passenger door for her and guided her inside It was also on the day she posted a social media picture of birthday flowers, referencing @donaldtrumpjr. Bettina attended a children's charity event in the swank Royal Poinciana Plaza shopping venue where she posed for photos with fashion designer Stacey Bendel and Kathy Hilton A photo obtained exclusively by DailyMail.com shows Don Jr. having brunch with Palm Beach socialite Bettina Anderson, 37, in mid August with fiancée Kimberly Guilfoyle nowhere in sight 'She's also the perennial 'life of the party' defying Palm Beach stereotypes and rewriting the rules of womanhood along the way.'