Credit: Kelly Kline/Getty Images

Let the partying begin!

A source tells that LeBron James is flying to Miami tonight to begin celebrating his decision to join the Miami Heat.

He should land at Opa-Locka Executive Airport just before 2 a.m.

Folks at the W Hotel South Beach are awaiting his arrival.

That's where he has rented six cabanas for the weekend to party, Us exclusively reported Thursday afternoon.