Adam Lambert is back from his vacation in Cabo San Lucas, and he's gone blonde!

The 30-year-old former American Idol star Tweeted a photo of his lighter locks and the following: "*New ‘Do."

Lambert, who is still going strong with boyfriend Sauli Koskinen, is promising to tour very soon. He added, "Have no fear, a Trespassing Tour WILL come. When the time is right. Trust me Glamberts! I won’t let you down. :)."

Can't wait to see this blonde babe on the road!