50 Cent is at the center of another celebrity feud, and this time it's with Diddy. Over the weekend, the rapper bashed Diddy's Ciroc Apple Vodka and his recently released album "MMM."

The feud started Saturday when Diddy posted an Instagram photo of the Empire State Building lit up in green lights. The hip-hop mogul told fans it was because his apple-flavored Ciroc was just released.

“LOOK WHAT YOU MADE ME DO!! This fool done made me LIGHT UP THE EMPIRE STATE BUILDING #Cirocapple!!! Now that’s hustling," Diddy captioned the photo.

Shortly after Diddy's post went up, 50 Cent called out the rapper saying that he was lying about why the Empire State Building was green.

“This is how you look when everybody finds out you have nothing to do with the green lights on the @EmpireStateBLDG," 50 Cent captioned a photo of a dog wearing a green shirt with the iconic building in the background. "@iamdiddy They did it to honor the @milliontreesnyc NYRP I GAVE THEM 700,000 to do over Baisley park in my hood. LMAO.” 

Diddy went back and changed his caption to: "ATTENTION NYC!! #CirocApple is NOW AVAILABLE!!"

50 Cent then continued to bash Diddy and took a shot at the rapper's new album "MMM," telling fans that it "gets no play in nobody's ride."

He continued, "I bet you a [sic] all-expense paid trip to Dubai, if you can tell me two hot lines off this album. LMAO. Trash wait, TRASH!!! #EFFENVODKA #FRIGO #SMSAUDIO #nopuffyjuice.” 

According to XXL, 50 Cent and Diddy have been feuding since last year, when the "Power" star became a spokesman for Effen Vodka. Diddy has been a partner in Ciroc Vodka since 2007.

Over the past few months, 50 Cent has also had beef with Rick Ross and his ex-girlfriend Vivica A. Fox.