Britney Spears had some errands to run yesterday afternoon in Calabasas, Calif. For Britney, errands mean getting Starbucks fix before heading over to the salon.

Of course, this being Britney, she managed once again to set off rumors that she is engaged to Jason Trawick, wearing a big ol' diamond on her left ring finger ...

Britney was in good spirits despite the rain. It was also cold. [Photos: Fame]

What do you think? Did Jason Trawick put a ring on it? Or is that just one of many from Britney's vast collection? We'd put our money on the latter, sadly.

Perhaps one day, Jason will become the third Mr. Britney Spears, but the two have weathered some cheating rumors (not just engagement rumors) lately.

Better to take it slow for the time being.