More than 500,000 people have signed a petition urging Macy's to cut ties with Donald Trump, as the retailer launches a  holiday ad campaign featuring Trump and other celebrities.  

The petition comes in the wake of an election in which the media mogul played a prominent role, demanding President Obama's birth certificate, offering a charity reward for his college transcripts and endorsing Mitt Romney in a Las Vegas news conference. 

The petition, posted on the, points to Trump's promotion of the "racially charged birther conspiracy" as well as his denial of climate change, China-bashing and "sexist behavior."  

Macy's carries men's apparel, fragrances and accessories from Trump's "Donald Trump"  line.