She loves to change up her look, especially when it comes to her locks.And Katy Perry debuted another daring change on Monday night, taking to the stage at Los Angeles’ Ace Theatre with bright green hair.The Roar singer has dyed her blonde locks a lurid shade of green, which she teamed with a wild leopard print catsuit.It’s easy being green! Katy Perry debuted another daring change on Monday night, taking to the stage at Los Angeles’ Ace Theatre with bright green hairKaty, 33, stole the show with her new hair colour on her now signature pixie crop.Her loyal fans flooded Twitter with compliments. ‘@katyperry ‘s green glow in the dark hair gave me life. Blessed to witness it in person,’ gushed one fan.The style chameleon also wowed with her choice of outfit for her hometown show, flaunting her figure in a leopard print catsuit.New do: Katy, 33, stole the show with her new hair colour on her now signature pixie cropThe tight-fitting number featured a plunging neckline and statement ruffle detail on the bodice.Katy accessoised with glittering drop earrings and added more pops of colour with a bright pink manicure and matching lippie shade, teamed with blue eyeshadow.The chart-topper belted out her biggest hits for the intimate gig, which saw her invite lucky fans on stage to sing with her.It’s a hit! Her loyal fans flooded Twitter with compliments. ‘@katyperry ‘s green glow in the dark hair gave me life. Blessed to witness it in person,’ gushed one fanWild: The style chameleon also wowed with her choice of outfit for her hometown show, flaunting her figure in a leopard print catsuitAll for you: The intimate gig in Los Angeles saw Katy invite delighted fans on stageKaty recently admitted she has suffered from ’bouts of situational depression.’The Dark Horse hitmaker admitted her ‘heart was broken’ last year when there was a mixed response from the public to Witness and she has been working hard to improve herself.She said: ‘I had bouts of situational depression. My heart was broken last year because, unknowingly, I put so much validity in the reaction of the public, and the public didn’t react in the way I had expected to. Which broke my heart.’Ensemble: Katy teamed her catsuit with her metallic trainers and glittering drop earringsRainbow bright: The singer added more pops of colour with a bright pink manicure and matching lippie shade, teamed with blue eyeshadowBack on stage: The star has been performing gigs across the road, including dates in AustraliaThe 33-year-old singer decided to go to the Hoffman Institute in California to give her ‘a new foundation.’She added: ‘For years, my friends would go and come back completely rejuvenated, and I wanted to go, too.‘I was ready to let go of anything that was holding me back from being my ultimate self. Music is my first love and I think it was the universe saying, “OK, you speak all of this language about self-love and authenticity, but we are going to put you through another test and take away any kind of validating blankie. Then we’ll see how much you do truly love yourself.”In the spotlight: The singer bought an impressive set with her to the Ace Theatre gigThey’ve got moves: The star was also joined by a troupe of backup dancers and a bandSing it: Katy gave the small group of fans the night of their lives with the hits-packed gig‘That brokenness, plus me opening up to a greater, higher power and reconnecting with divinity, gave me a wholeness I never had.‘I recommend it to everyone, my good friends and other artists who are looking for a breakthrough.‘There are a lot of people who are self-medicating through validation in audiences, through substances, through continually running away from their realities – denial, withdrawal. I did that for a long, long time too … The biggest lie that we’ve ever been sold is that we as artists have to stay in pain to create.’Fans: The star invited excited audience members up on stage to sing with herSay cheese: She snapped photos and delighted one particularly ecstatic young fanGood to see you! Katy jammed with a pink guitar for some songsLet me hear you Roar! The suoerstar had all the time in the world for her LA fansAccording to the Hoffman website they ‘help you become conscious of and disconnected from negative patterns of thought and behaviors on an emotional, intellectual, physical, and spiritual level in order to make significant positive changes in your life.’‘Founded in 1967 by Bob Hoffman, the Hoffman Process is a week-long residential and personal growth retreat that helps participants identify negative behaviors, moods, and ways of thinking that developed unconsciously and were conditioned in childhood,’ it states on their site.What a night! Katy’s set was epic at the famous Los Angeles venue