Yamaha's most famous employee Valentino Rossi dropped in on his co-workers today at Yamaha Motor Corporation's U.S. headquarters in Cypress, California. To celebrate Rossi's arrival, the lawn out front of the Southern California office was decorated n the "100" to celebrate Rossi's recent 100th career Grand Prix victory in Assen.

Rossi was joined in the celebration with the Yamaha employees by his teammate Jorge Lorenzo and Monster Tech 3 Yamaha's Colin Edwards and James Toseland.