Giuliana Rancic Giuliana Rancic

Giuliana Rancic is "doing well" after going under the knife.

The E! News host's double mastectomy and reconstructive surgery went off without a hitch Tuesday night, E! Online reports.

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"G is doing really well," husband Bill Rancic tells the website. "Her surgery lasted about four hours and the doctors were very pleased with the result. She had a little bit of pain through the night but is feeling much better this morning and was cracking jokes."

The E! personality also sent a message to her fans: "I want to thank all the viewers and fans for their support and prayers. The tweets and notes have not gone unnoticed. I am very grateful."