Most couples refuse to play the love game, enjoying the peace and content to let the relationship coast on mutual patience and understanding. Liam Hemsworth and Miley Cyrus are another story.

The high-profile couple has outlasted other young pairs (Justin Bieber and Selena Gomez, Zac Efron and Vanessa Hudgens) but that doesn't mean their relationship isn't always filled with controversy.

As they deal with yet more rumors of cheating and break ups, let's take a look back at the worst and most shocking scandals the famous duo has had to deal with.

The lap dance

Say what you want about Miley Cyrus, but this girl is a born performer. As the starlet outgrew her wholesome Disney persona, she hasn't been shy about exposing her raunchier dance moves to the world. A video from the wrap party of their movie "The Last Song" was leaked and showed the then-teenager grinding against their producer on the dance floor. The clip immediately sparked controversy among the more conservative fans, but Hemsworth defended his fiancé telling Hollywood Life, "Everyone gets criticism, it's kind of what comes with this job. Everybody's trying to bring you down. She's got a good head on her shoulders."

Birthday cake

Hemsworth's birthday in 2012 should've had him at the center of attention, but his girlfriend stole the spotlight from the hunky actor after posing provocatively with his birthday cake. The whole thing wouldn't have garnered much attention had it been a regular cake, but Cyrus was snapped licking the phallic-shaped cake. By this time, Cyrus had tried her best to leave her Disney image behind, but many parents were still outraged to see this tween idol setting a wild example to her young fanbase.

Birthday weed

Another birthday party, another scandalous incident. For her 19th birthday party, Cyrus alluded to a penchant for marijuana in a video leaked to the public. The clip showed her talking to the camera saying, "You know you're a stoner when friends make you a Bob Marley cake-you know you smoke way too much f***in' weed." This time, it wasn't just Hemsworth who jumped to her defense. Close friend Kelly Osbourne, who also appeared in the video, took to Twitter to say the Bob Marley cake was a joke and that Cyrus was not a stoner.

Hemsworth's gal pals

The most recent set of rumors surrounding the couple do not revolve around Cyrus though, but the usually more level-headed Hemsworth. The handsome Hunger Games star was rumored to be flirting with not just one, but two high-profile actresses. Reports say Hemsworth was getting close to British beauty Emma Watson at a pre-Oscar party. Just a few days after, he was spotted making out with Mad Men actress January Jones and was said to have left an Oscar party with her in tow. Although Cyrus vehemently denied the cancellation of their engagement, there are talks that the couple is finally over.

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