A woman dressed in a burlesque costume holds a small heart-shaped note before a flash mob to mark Valentine's Day in downtown Rome Feb 14, 2011. [Photo/Agencies]

Participants Felix Werth (R) and Ulairak Ooutaboon kiss during an attempt to break the world record for the longest kiss in Pattaya, 150 km (90 miles) east of Bangkok Feb 14, 2011. The World's Longest Continuous Kiss event which was organized to celebrate Valentine's Day in Thailand, started out with 14 couples on Sunday at 6am (February 12, 2300 GMT). Participants Akekachai Tiranarat, 42, and his wife Raksana Taranarat, 31, set a new Guinness World Record for the longest kiss at 46 hours 24 minutes and 9 seconds. [Photo/Agencies]