2013 saw many high profile couples calling it quits. As the year approaches its end, we take a look at the top 5 most shocking splits.

Selena Gomez and Justin Bieber: "Jelena" fans went in a shock when Selena And Justin announced their split just before stepping into 2013. Reportedly, the couple broke apart after Justin Bieber got into alleged affair with a Victoria Secret model, Barbara Palvin. The couple tried to reunite on Selena's 21st birthday but in spite of several attempts from Justin's side, Selena couldn't move past his affair. What followed after were Justin's uncouth comments on his sex life and his several visits to strip club.

Robert Pattinson and Kristen Stewart: The couple's relationship hit rocky roads when R-Patz asked for a trial separation from K-stew after the latter cheated on him with "Snow White And Huntsman" director Rupert Sanders. However, the couple got back together in March and then again split up on May 18. Following his split, Pattinson was linked to various women including Sean Penn's daughter Dylan Penn.

Nevertheless, reports of their getting back together started surfacing when they spent Halloween together and K-Stew cooked up Thanksgiving dinner for Robert. A source even revealed to Hollywoodlife.com, "Kristen apparently even has an open invitation from Rob to spend Christmas in London."

Khloe Kardashian And Lamar Odom: Khloe and Lamar's four year wedding took a sour turn when Lamar allegedly got involved into drugs and in a slew affairs, outside his marriage. Apparently, Khloe tried her best to help Lamar get over his addiction but her attempts went in vain. Khloe has already filed for divorce and is being rumored to be dating baseball star Matt Kemp.

Harry Styles and Taylor Swift: The couple who ringed into 2013 with a passionate kiss at Times Square couldn't hold the strings of their relationship and broke-up after dating each other for few weeks. One of the messiest break-up of 2013, Harry and Taylor left no opportunity to diss each other in public throughout he year.

Miley Cyrus and Liam Hemsworth: Just before walking up the aisle, Miley Cyrus and Liam Hemsworth called it quits in September. It was speculated that the reason for their break-up was Miley's outrageous MTV VMA performance.