Nicky Hilton is engaged to her boyfriend James Rothschild.
The Hilton Hotels heiress and fashion designer, said yes to her banker boyfriend last weekend in Lake Como, Italy.
"They are both really excited and incredibly happy," the insider tells Us of the pair.
Hilton, 30, and Rothschild (the heir to the famous European banking family) started dating in 2011 after meeting at supermodel Petra Ecclestone and James Stunt's wedding in Italy.
"They went on a romantic anniversary trip over the weekend," the source reveals.
"He took her out on a boat into the middle of Lake Como and he proposed, got down on one knee and everything. It was incredibly romantic and beautiful."
The bride-to-be, younger sister to Paris Hilton, has been posting several happy Instagram snaps from their engagement excursion.