Check out the size of the diamonds on the pretty ladies

Material girls all the way!: Check out the size of the diamonds on the pretty ladies. In this picture: TV personality Kim Kardashian arrives at the 2011 MTV Video Music Awards in Los Angeles August 28, 2011. REUTERS/Danny Moloshok 

Director Brett Ratner and singer Mariah Carey are shown on the set of her new music video ‘Obsessed’ outside New York’s Plaza Hotel June 29, 2009

Real Housewives of Beverly Hills’ star Lisa Vanderpump and dog Giggy arrive at the 22nd annual Gay and Lesbian Alliance Against Defamation (GLAAD) Media Awards in Los Angeles

A close-up of Christina Aguilera’s engagement ring as she poses backstage at the 67th annual Golden Globe Awards in Beverly Hills

Socialite Paris Hilton is seen with her engagement ring on her finger during an autograph session.

A close-up of ‘Real Housewives of Beverly Hills’ star Lisa Vanderpump’s engagement ring as she arrives at the 22nd annual Gay and Lesbian Alliance Against Defamation

Kim Kardashian’s wedding ring is pictured as she arrives at the 2011 MTV Video Music Awards in Los Angeles.

Knowles arrives, wearing an engagement ring, for the 2008 Fashion Rocks concert to begin the 2009 Spring-Summer Fashion Week in New York

Dame Elizabeth Taylor, Academy Award winning actress, shows the Krupps Diamond she is wearing to talk show host Larry King as she is interviewed on the CNN program Larry King Live

Carey poses during a photocall for the film ‘Precious’ at the 62nd Cannes Film Festival.

Rapper Jay-Z (R) and singer Beyonce Knowles attend the NBA All-Star basketball game in Los Angeles February 20, 2011

Paris Hilton attends the 2005 MTV Video Music awards in Miami August 28, 2005

Aguilera has got engaged to her longtime boyfriend, Jordan Bratman, People magazine reported on Saturday.