"We agreed we are both just too young to be considering getting married right now," added Wahler, 22, who had been engaged since August 2007.
On the plus side, this sad split should allow the reality TV staple more time to deal with the many lawsuits and court dates he has on his busy schedule.
Throughout early episodes of the series Jason was seen struggling to control his drinking and in 2009 he hit rock bottom.
Speaking to ET he said, "[The Hills] ignited my addiction and things started to domino effect and before I knew it it got out of control.
The couple did seem on track to tie the knot until recently.
Last year, the 21-year-old University of Southern California student and tennis player was singing a different tune, wanting to wed "sooner rather than later." "But my parents want me to finish school first and that won't be until 2010," said Katja Decker-Sadowski, 21.
Following his years-long stint on reality television, Wahler opened up about his struggles with addiction and after addressing his struggles with substance abuse years ago, he got married to Ashley Slack. Struggling with his alcohol addiction, the former reality star often found himself getting in bar fights, arrested for DUIs, or even attempting suicide — something he's been very open about in the seven years since making the decision to get sober on July 23, 2010. Yup, ANOTHER cast member from the mid-'00s hit reality show is expecting a baby.Fast forward to now, Jason is happily married to his wife Ashley Slack, with whom he's expecting his first child (a baby GIRL! On Tuesday, Lauren Conrad's former flame, Jason Wahler confirmed that his wife is pregnant with their first child. The anniversary special, especially when it came to her love life on the MTV hit.I couldn't handle it." Jason was arrested several times for drink driving and other offences related to his alcohol problem. LOS ANGELES, CA - NOVEMBER 16: TV personality Jason Wahler (L) and Ashley Slack attend Google and T-Mobile's celebration of the launch of Google Music at Mr.Brainwash Studio on November 16, 2011 in Los Angeles, California.