“Sister Wives” star Janelle Brown was moved to tears after she learned that hundreds of people donated to two Arkansas animal shelters in honor of her late son, Garrison Brown, who died last week at 25.“I have been brought to tears again. I’m being told about everyone’s donations to @highcountryhumane @arkcatsancutary in Garrison’s name,” Brown, 54, wrote in an Instagram post Tuesday night. “Thank you for all your generosity.