It is important to note that celebrity investments in real estate can vary greatly over time, so this list may not be up-to-date. However, as of recent reports, here are some celebrities known for their real estate investments:

1. George Clooney: Clooney is known for his luxurious villas in Lake Como, Italy, and Los Angeles mansions.
2. Ellen DeGeneres: DeGeneres has invested in multiple high-end properties, including homes in Montecito and Beverly Hills.
3. Brad Pitt: Pitt has invested in various properties, including a French château and luxury homes in Los Angeles.
4. Oprah Winfrey: Winfrey owns several impressive properties, including her primary residence in Montecito and a penthouse in Chicago.
5. Jay-Z and Beyoncé: This power couple has made several real estate investments, including mansions in New York, Los Angeles, and New Orleans.
6. Leonardo DiCaprio: DiCaprio owns a beachfront property in Malibu, an island near Belize, and an eco-friendly apartment building in New York.
7. Jennifer Aniston: Aniston has invested in multiple properties, including a Bel Air mansion and an expansive property in Beverly Hills.
8. Madonna: Madonna owns various properties around the world, including a mansion in London and a luxurious apartment on NYC’s Upper East Side.
9. Mark Wahlberg: Wahlberg has invested in numerous properties, such as a mansion in Beverly Hills and a condominium in New York.
10. Rihanna: Rihanna owns several properties, including a mansion in Los Angeles and a penthouse in New York City.

It is worth mentioning that this list could change over time as celebrities’ real estate investments can be dynamic.