Hilton, who turned 29 Feb 17, celebrated her birthday with "The Hills" star in Las Vegas and admitted she couldn't be happier, reports femalefirst.co.
Asked about their wedding plans, she said: "We'll see what happens in the future, but right now we are so happy to be together and we are really in love."
The duo were joined at nightspot Tao by her parents Rick and Kathy Hilton.
"What a fun night! My mom and Doug were so cute dancing together! I love how my parents love my love! We all had a blast! Great night," Paris posted on her Twitter page.
