Spencer Pratt, Heidi Montag Celebrate July 4 in Style

What would the Fourth of July be without a festive parade ... and Spencer Pratt and Heidi Montag parading around like absolute tools while taking part in it.

The Hills' gruesome twosome took part in the 32nd annual Palisades 10K Charity run on our nation's 233rd birthday, raising money for a good cause:

Themselves.

Here's the plastic pair showing off their true stars and stripes ...

If this doesn't get you in the patriotic spirit, what will?

Click to enlarge more pics of Spencer in a full Uncle Sam outfit and Heidi Montag in a similarly patriotic hat and bikini top showcasing her giant fake rack. It's certainly an appropriate photo gallery. Only in America would these two be famous ...

[Photos: PacificCoastNewsOnline.com]