Queen Elizabeth was taken to the hospital Sunday, March 3 for gastroenteritis. After becoming ill on Friday, the 86-year-old monarch went to King Edward VII Hospital in London as a "precautionary measure," a spokesman for the Queen tells the BBC.
PHOTOS: How Princes William and Harry have grown
"She was not taken into hospital immediately after feeling the symptoms," the spokesman says. "This is simply to enable doctors to better assess her."
PHOTOS: William and Kate's first year of marriage
Buckingham Palace says she's "in good spirits," and her engagements for the week will be canceled or postponed.
PHOTOS: How Kate Middleton is getting ready for motherhood
The Queen's grandsons Princes William and Harry are currently in Switzerland attending Olympian Laura Bechtolsheimer's wedding to Mark Tomlinson. William's pregnant wife Kate Middleton was photographed resting her hand on her growing baby bump.
This article originally appeared on Usmagazine.com: Queen Elizabeth Hospitalized With Stomach Bug
Find out where the cast from "When Harry Met Sally" is today.
See some of the cutest moments from Prince George's first year.
Selena Gomez celebrates her birthday early with a helicopter ride in Italy with new pal Cara Delevingne on today's Celebs Gone Social.
Take a look back at Prince William and Duchess Kate's cutest couple moments.
Let's check out some of Eva's tactics behind her baby bump secret on Replay hosted by Wonderwall's Kirby Kristen.
Check out some of Jennifer Lopez's sexiest ensembles she's rocked recently.
From Ryan Cabrera to Megan Fox, see celebs who've gotten tattoos of other stars.
© 2014 Microsoft