Heidi Klum and Seal Renew VowsSupermodel and 'Project Runway' maven Heidi Klum celebrating her fifth wedding anniversary with musician Seal the exact same way they celebrated their fourth -- by renewing their vows. The couple, who have turned ther anniversary into the tradition of throwing a vow renewal party, did just that in a small ceremony (well, 80 people... small a celebrity party) in Mexico, PEOPLE is reporting.