May 18, 2011: After six months of dating and getting permission from Bruce Jenner, Kris pops the question to Kim at her L.A. home. The rock was a whopping 20.5 carats and Kim happily accepted. Her whole family helped the happy couple celebrate that night.
May 13, 2011: Shortly before popping the question, Kris looks cool, calm and collected as he strolls around South Beach with Kim during a romantic getaway.
If Kris were to take Kim's family name, he'd be Kis Kumphriesian. Use our Kardashian Name Generator to get yours!
March 24, 2011: Rumors run rampant that Kim is eyeing places to live in New York City so she can be closer to Kris. However, such speculation is eventually shot down by her BFF.
March 8, 2011: The cute couple hangs with Kim's step-brother Brody Jenner at the release party for Avril Lavigne's new album in NYC.
February 18, 2011: Kris already seems like part of the family while spending time with Kim's sister Khloé and her hubby Lamar Odom as they make their first Hollywood public appearance in downtown L.A.
February 4, 2011: Kim helps Kris celebrate his 26th year on this planet by accompanying him to an intimate dinner with his mom and dad in Manhattan, where, according to a source, Kim graciously picked up the tab.
January 2011: Soon after ringing in the New Year solo in Vegas, Kim joins Kris, his sister Kaela and his parents in Minnesota for dinner and makes quite the impression. "They think she is really nice, considerate and pretty," a source told E! News.
December 2010: Kim begins dating the New Jersey Nets basketball star in December of 2010. Lala Vasquez, Kim's BFF and wife of pro baller Carmelo Anthony, told our Party Girl at the time: "All the NBA guys are good guys and my friends. I just want my friend to be happy, whoever it is....if that makes her happy, I'm happy."
Next gallery: Kim Kardashian Fashion Spotlight