He's finally coming clean!

Bruno Mars covers the latest issue of GQ, and the "Grenade" singer dishes about everything from his cocaine arrest in Las Vegas to his songwriting process.

After being busted with 2.6 grams of the drug in September 2010, the crooner lied to authorities and told them it was his first time using drugs, which he now admits wasn't exactly the case.

"I don't know where that came from. I was really intoxicated. I was really drunk. So a lot of that is a big blur, and I try every day to forget and keep pushing," he confessed.

Now that the 27-year-old hit maker is on the right path, he's focusing his energy on more positive things like penning chart-topping songs.

"You know how hard it is to write a big song? That s**t is hard, man. It's so hard to do. Might be one of the hardest things to ever do," he added.

We think you are doing a pretty stellar job so far, Mr. Mars!

Apparently ballads pay the bills!

Bruno Mars just purchased this $3.2 million Laurel Canyon estate, and with the hefty price tag comes a lot of perks!

The single story quasi Hollywood Regency style residence boasts custom made 11-foot tall double front doors that open into an expansive open floor plan, complete with chocolate colored hardwood and floor-to-ceiling retractable glass panels that blur the line between inside and outside.

With an impressive 4,064 square feet, the home has 3 bedrooms and 3.5 baths, a gourmet kitchen, stunning city views, a state of the art security system, a huge pool, and Swarovski crystal lighting fixtures!

It sounds like the ultimate bachelor pad!

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Bruno Mars started off the iHeartRadio Music Festival in Las Vegas at The Bank Nightclub and GOLD Boutique Nightclub & Lounge on Friday night!

The seven-time Grammy nominee performed at The Bank at Bellagio Resort & Casino, where the crowd, which included Glee's Naya Rivera and Darren Criss, sang along to "Grenade" and "The Lazy Song."

Mars and pals partied until 3 a.m., then headed back their VIP suite.

At long last, deets on the Twilight Saga: Breaking Dawn - Part 1 soundtrack have been revealed, and Bruno Mars‘ upcoming single, “It Will Rain” will be the first song on the album!

Summit Entertainment announced on its official Facebook page that Mars newest single will be the first song unveiled from the soundtrack, adding, "‘Like’ the song cover artwork if you are excited”.

Soon after the announcement, the Lazy singer Tweeted: “Remember that song I told yall I finished? Well its called It Will Rain #ComingSoon”.

But Twilight fans are still holding out hope that Robert Pattinson will include a few of his own original tunes for the soundtrack. So far, the actor's rep has denied reports that he is working on an album of any kind.

Performing Nothing On You, Grenade and Tightrope, the trio tore up the Grammy stage tonight with THIS hot performance -- check it out!

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Singer Bruno Mars will avoid jail time after his lawyers struck a plea deal involving his Las Vegas arrest last September for cocaine possession at the Hard Rock Hotel and Casino.

Mars had plead guilty to possession of a controlled substance.

The Grenade singer has completed 200 hours of community service, and if he manages to stay out of trouble for the next year, the charge will not go on his permanent record.

Mars was also ordered to pay a $2000 fine.

See which song earned him a Grammy nomination after the jump ...

Bruno Mars will plead guilty to felony cocaine possession in order to avoid jail time, reports E! News.

Mars is set to appear in court on February 4, and as a part of the plea deal he will be fined $2,000, sentenced to a year of informal probation, 200 hours of community service and drug counseling.

Mars was arrested at the Hard Rock Hotel in Las Vegas last September on suspicion of narcotics possession when police found him with 2.6 grams of a substance believed to be cocaine.