Hayden Panettiere, Gerard Butler and Olivia Palermo Lead Today’s Star Sightings

Another day, another round of celebrity sightings around the globe.

Hayden Panettiere waved “Hello” as she made her way inside the BBC Radio 2 studios in London, England. The 23-year-old Nashville star has been across the pond all week, beginning with the annual Glamour Women of the Year Awards.

In other global sightings, Gerard Butler promoted his latest film Olympus Has Fallen in Munich, Nick Lachey paid a visit to Global Toronto’s The Morning Show and Amanda Seyfried hit the red carpet in style for the Shiseido Cle De Peau Beate gala dinner in Hong Kong.

Stateside, Olivia Palermo, Anna Kendrick and Chace Crawford celebrated the Governors Ball Party early with the help of SKYY Vodka, Gretchen Rossi showed off her engagement ring at the Beverly Hills Lifestyle Magazine 5 Year Anniversary event in Los Angeles while Katie Holmes braved the rain after dropping daughter Suri off at school.