Kris Humphries and Kim Kardashian
05/26/2011 at 02:00 PM EDT
Talk about a whirlwind!
After getting engaged
on May 18, Kim Kardashian
and Kris Humphries
touched down in Monaco on Thursday for a planned family vacation with the basketball star and his family.
"I wanted to propose before the trip so we could really spend some quality time together with my family as a couple," Humphries, 26, tells PEOPLE. "I planned it out this way."
Adds Kardashian: "We're celebrating … on a family vacation
The couple, who plan to marry this summer, will spend quality time together before Humphries begins his fall basketball season.