Heidi & Spencer: Their Most Outrageous Moments

Heidi Montag and Spencer Pratt prepared for their controversial stint on 2009's I'm a Celebrity ... Get Me Out of Here with a hisss-y fit of a video shoot in L.A.

Now that's romance! The newlyweds shared a super-sterile kiss after returning from a Mexican honeymoon in 2009, at the height of the swine flu crisis.

Heidi worked the camera as Spencer filmed the music video for her critically panned 2007 single Higher. "We have diamond records coming," he told PEOPLE. "They're gonna sell 10 million-plus."

Following their April 2009 wedding – which was filmed for The Hills – Heidi and Spencer partied with pals at L.A.'s Social nightclub.

Jon and Kate? Nope, it's Spencer and Heidi, ironically dressed as the now-defunct Gosselin fam – complete with baby dolls! – days before Halloween 2009.

Public display of patriotism? The pair parades their passion in Washington, D.C., before attending the 2008 White House Correspondents' Association Dinner.

The reality stars turned authors precariously promote their handbook, How to Be Famous, in New York City in 2009.

An innocent smooch? Nope! Spencer uses a photo opp to promote Heidi's 2009 single, "Look How I'm Doing," in L.A.

Just in case the paparazzi missed a shot, Spencer turned the camera on his then-fiancée during a Maxim Super Bowl party in 2008.

Dropping to his knee – but not out of the shot – Spencer gives Heidi a kiss during a visit to Disneyland in Anaheim, Calif., in 2008.

To celebrate his 25th birthday, Heidi gave her husband a gift he would really love – a copy of her issue of Playboy and a machine gun-shaped cake.

During the economic crisis in January 2009, the famous couple hit a Los Angeles-area 99-cent story in hopes of finding a bargain.

Thinking outside the bun, the Hills stars indulged in some tasty Taco Bell to help raise awareness for World Hunger Relief week in Los Angeles in 2007.

My, what round melons she has! Montag hinted at big things to come as she shopped with Pratt at their local Gelson's supermarket in 2008.

Heidi flaunts her post-op bod in Las Vegas before a party in February 2010. Though Spencer opposed her extensive surgeries, at the time he stood by her choice. "His support has really been a lot and made such a difference," she told PEOPLE. "I couldn't ask for more."