Matthew Perry just listed his Los Angeles penthouse for $35 million, and it's the most expensive condo in the city - here's a look inside.

• Actor Matthew Perry has listed his Los Angeles penthouse for $35 million.
• Perry bought the home back in 2017 for $20 million, according to Money.
• He spent the past two years renovating it with the help of architect Scott Joyce and interior designer LM Pagano, according to the listing.
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Actor Matthew Perry, a co-star of the sitcom Friends, has listed his Los Angeles penthouse for $35 million.

Penthouse 40, also known as the "Mansion in the Sky," sits on the 40th floor of The Century - a 42-story, luxury condominium in downtown Los Angeles. It's currently the most expensive condo for sale in the city, according to Forbes.

Read more: Former NFL quarterback Joe Montana's California estate is on the market at a 41% price cut - and it comes with an equestrian facility and a shooting range. Here's a look inside.

According to Money, Perry bought the penthouse in 2017 for $20 million and, with the help of architect Scott Joyce and interior designer LM Pagano, transformed the home's interior over the past two years.

The 9,290-square-foot penthouse has four bedrooms, eight bathrooms, four terraces, a screening room, and a master suite with a lounge area and fireplace, according to the listing.

The tower boasts amenities including a pool, a spa, a gym, a full-service restaurant, a screening room, and four acres of gardens.

Keep reading for a look inside.