18 Celebrities That No One Knows Why They are Famous

15. Heidi Montag

She stepped into the limelight by stepping onto the reality show The Hills. She ended up marrying Spencer Pratt through the show and then doing nothing but appearing on reality shows that feature washed up celebrities. She tried to make a music album but the album was such a big flop that sales did not even cover production costs. But whether or not she deserves to be paid any attention to, she will remain infamous for having 10 plastic surgeries in one day.