He’s got an independent streak.

On Tuesday night during an appearance on “The Late Show With Stephen Colbert,” Joe Scarborough — the co-host of MSNBC’s Morning Joe — dropped a bombshell. “I am a Republican, but I’m not going to be a Republican anymore,” he told Colbert. “I’ve got to become an Independent.”

That’s a big change for Scarborough, a former Republican congressman and well-known Republican media commentator. He explains that he feels the Republican Party “well before Donald Trump was elected president” had “betrayed their core values.” One example: He disagrees with Trump’s proposed travel ban on people from some Muslim-majority countries.

He’s not the first celeb to change their identity at work. Arianna Huffington famously switched sides from Republican to Democrat years ago, and former actor Freddie Prinze Jr. has altered his career to do more voice-acting, contributing to various programming and cookbooks — a far cry from the teen heartthrob actor who fronted the pages of Tiger Beat. More recently, WWE champ Dwayne “The Rock” Johnson has been pondering at 2020 presidential run.

Many of us probably dream of reinventing ourselves at work like these famous people — of doing something new and different at our company or a new spot entirely. But how do you bring up your desire to reinvent yourself at work to your boss or a hiring manager — and how do you make it happen?

Explain why you want to make a change. You’ve got to clearly tell your boss or the hiring manager what kind of new role you want and then let them know why you want to switch, experts say. You must “have a believable rationale if you want to maintain your credibility,” says HR expert and trainer Robyn Tingley. Among the solid reasons you might choose, she says: “You’ve achieved your goals in your current role and want to try new challenges elsewhere” or that “you were presented with an opportunity you always dreamed of and you’re going to seize it.”

Show them you really want it. If you want a new role at your current company, executive coach Marc Dorio recommends you “do something dramatic to show that you are serious.” You might do a big project related to the role you want to take and present these results to your boss. Or Call to Career founder Cheryl Palmer, recommends you take on “collateral duties, such as chairing a committee. This is a way to cast yourself in a new light so that people see what else you can do.” You should also “let management know about any new certifications or licenses that you have obtained,” says Palmer.

For those looking for a new role at a new company, you’ll need to rebuild your bio, says Tingley. “Dust off those past accomplishments and package them up into a new you,” she says. Then, work on acquiring the skill sets you’ll need for the new role — possibly through night classes or volunteer work even.

Get other people to back you. “If you want to move to new work where you don’t have a lot of transferable skills, or you need to acquire new skills, then you have to seek out people who will help you close the gap,” says Tingley. She recommends that those looking for a new gig “secure testimonials from people who say you can do the new work really, really well. These can be recommendations on LinkedIn, testimonials on your new site, and well-prepared references who are briefed ahead of time to speak to potential employers about your proven results in the new domain.” If you want to switch roles in your current company, help someone who is in the department you want to move to with projects so they can back you as you try to make a move.

And through all this remember: “Reinvention is not going to happen overnight,” says career strategist Carlota Zimmerman. “Yes, you can “re-brand” yourself, you can tell the world a different story about yourself and your abilities, but it will take time and dedication.”