From the classic all-red Ferrari to the nostalgia of the black-and-gold Lotus and the sparking Silver Arrows-inspired livery of the Mercedes W04, often F1 is almost as much about looking good as it is about going fastest...
Will Stevens gets his first run in an F1 car on day two of the Young Driver test at Silverstone, taking over from fellow Academy member Alexander Rossi.
Two incidents in which he made contact with other cars saw Caterham's Giedo van der Garde handed a grid penalty for the British Grand Prix - for ignoring blue flags.
Giedo van der Garde was having an impressive Spanish Grand Prix on Sunday, handily winning the battle of the 'back row teams' - right up until the wheels came off his campaign.
A restructuring at Caterham across its GP2 and F1 teams means that China's Ma Qing Hua appears to be without a seat, replaced in the feeder series by Alexander Rossi.