Rothschild proposed on bended knee during a romantic boating outing on Italy's Lake Como
The 33-year-old makes a cameo appearance in a new ad featuring Sports Illustrated model Hannah Ferguson
Look back at a time when Paris Hilton and Nicole Richie were friends, cellphones were simple and Ke$ha was a dorky teen
The "Wrecking Ball" singer, who split with fiancé Liam Hemsworth in September, was spotted with the Good Charlotte guitarist on Thursday
Plus: Which couple is expecting their first child together?
See who's sharing 15-second clips of their furry muses
Stars moms like Paris Hilton and Sarah Hyland invent creative costumes for their canines
The actors have welcomed their daughter, PEOPLE confirms
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.