Pop star Seal and his model wife Heidi Klum have called off their annual wedding renewal plans because of the swine flu pandemic.

The couple was planning a romantic break in Costa Careyes, Mexico to celebrate their fourth anniversary this month - but they've had second thoughts.

A source tells Life & Style magazine, "Heidi was worried about border closings and her three small children - and, of course, she's pregnant."

Klum recently revealed she was expecting her fourth child - her third with Seal. The couple was married in May, 2005, and they have renewed vows in the same location, and on the same date every year since.

A spokesperson for Klum confirms, "Heidi and Seal have decided to renew their vows at home in L.A. this year."

See more photos of Heidi here!

(This news article provided by World Entertainment News Network)