No, they're not doing a Michael Jackson impersonation. It's just a photo op that some people might find in questionable taste.

Heidi Montag and Spencer Pratt don masks as they return to Los Angeles Wednesday after honeymooning in Cabo .

The shameless couple had been vacationing in Mexico when news broke of the swine flu epidemic.

The couple actually kissed while wearing their masks and were met by a mob before rushing off in their limo. (Photo: Splash News)

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• Cabo
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• Spencer Pratt
• Swine Flu