Since bathrooms are a very high-traffic area of any home, it makes total sense for them to be comfortable . . . and it seems that nobody takes bathroom luxury more seriously than celebrities! When planning their multimillion-dollar mansions in the best neighborhoods, you'd best believe that your favorite celebs prioritize glamorous bathroom design. These 21 bathrooms have it all, from marble walls to ocean views.
— Additional reporting by Maggie Winterfeldt
Source: PartnersTrust 
Nothing less than this luxurious master bath would do in the New York Plaza Hotel's penthouse duplex .
The bathroom in the Hidden Hills, CA, home J Lo shared with Marc Anthony  (now on the market for $17 million ) looks like it belongs in a posh spa rather than a private home!
Fall Out Boy's Joe Trohman
This Fall Out Boy musician wanted the master bath in his LA abode to maintain its original charm, so he did only light renovations, such as fresh paint and tiling.
Talk about luxurious! The master bath in the actress's new LA home  has a skylight and walk-out view balcony.
Once her main residence and now a vacation rental, Jessica has updated the bathroom in her LA home to better accommodate guests.
The Friends funny man finally sold his Malibu, CA, mansion , but we have no doubt he'll be missing the waterfront view from the modern bathroom.
Nathan Followill and Jessie Baylin
The sleek bathroom in this rock-and-roll couple's home (he's in Kings of Leon, and she's a talented musician in her own right) has a decidedly zen vibe.
The Star Trek and Girls star just relocated to Manhattan  and will undoubtedly get ready for bed after late New York nights in this black-and-white tiled bathroom.
Carmelo and La La Anthony
With its radiant heated floors and Dolomiti marble surfaces, Carmelo Anthony's Harlem, NY, penthouse bathroom  is the perfect place for the basketball star to cool down after big games.
While Steven Tyler's daughter no longer calls this estate  in LA's Los Feliz neighborhood home, the memory of her incredible bathroom will last forever.
The scenic views from this Real Housewives of Beverly Hills star's beachside mansion  bathroom are absolutely breathtaking. What a spectacular way to take a bath!
Source: Chris Cortazzo 
Floor-to-ceiling windows and glass doors offer plenty of natural light for her luxurious master bath, which boasts a soaking tub and a gigantic steam shower. Want more? Check out the rest of her dazzling penthouse !
Reports say that Queen Bey is planning to purchase this New York penthouse  — and with a bathroom this incredible, nobody can blame her!
Source: Town Real Estate 
Just like the rest of her Connecticut home , Renée Zellweger 's bathroom combines luxury with rustic country touches.
Source: Landvest 
He may be known for his hit Transformers film franchise, but director Michael Bay is more than meets the eye. His luxurious home  includes a cast-concrete bathtub and a massive shower!
Source: Roger Davies for Elle Decor 
While you might assume that sister-in-law Nicole Richie  helped style Benji Madden's chic home , he actually designed it all himself. The whole house is beautiful, but the rocker truly outdid himself with this bathroom!
Source: Justin Coit for Domaine Home 
This gigantic tiled shower is inside one of Kim Kardashian  and Kanye West 's 10 new bathrooms. After dropping $20 million on a new home , we're sure that the rest of the restrooms are equally luxurious.
Source: Zillow 
The former Baywatch star is no stranger to the water, which explains the huge soaking tub in her Malibu, CA, mansion 's master bathroom.
Source: Chris Cortazzo 
Despite frightening reports that Kourtney Kardashian's new estate is filled with black mold , her bathroom is completely incredible. Let's hope the mold doesn't affect that huge bathtub!
Source: Trulia 
When you party as hard as Miley Cyrus , you need a place to unwind at the end of it all. The pop star's master bathroom is completely gorgeous, just like the rest of her Southern California home !
Source: Zillow 
What could be more star-worthy than a marble-topped vanity complete with a lightbulb mirror? Lauren's Beverly Hills penthouse  proves she's all grown up.