See which stars say they have had to deal with fans who took their obsessions too far.
Model Gigi Hadid's stalker, Marcell Porter, received three years of jail time on July 11 after continuously stalking the model and attempting to break into her apartment, DailyMail.com said.
Bethenny Frankel's ex-husband, Jason Hoppy, had been sending harassing emails to the former "Real Housewives of New York City" star for a few months before showing up at their young child's school in Manhattan on Jan. 27, 2017, according to pagesix.com. He was arrested and charged for stalking, among other things.
A transient was sentenced to 178 days in jail in November 2016 after being convicted of trespassing at Kendall Jenner's Hollywood Hills home in August. LATimes.com reports jurors acquitted the 25-year-old man of a misdemeanor stalking charge, and he was released for time served.
Glen Cove's Ashanti has been dealing with the same stalker for many years, and as of March 2016 they were back in court. TMZ.com reports the Indiana man, on trial for the third time in the same case, was allegedly sending sexually-explicit texts and tweets to the singer. He was convicted in 2009 for stalking and harassment involving Ashanti's mother.
During the summer of 2013, a man, who Jennifer Lopez had previously obtained a protective order against, was accused of breaking into the singer's Hamptons home. Police say he stayed in her guest house for about six days. He was arrested and charged with burglary, stalking and criminal contempt.
In November 2016, officials say a Texas man under a lifetime restraining order to stay away from singer Taylor Swift allegedly stalked her at an Austin airport following a concert, according to EOnline.com.
Selena Gomez built a fence around the perimeter of her Calabasas, California, home after a two-time trespasser was arrested on March 30, 2014, and then again on April 4, 2014, for invading her property, TMZ.com reports.
According to NYDailyNews.com, a Massachusetts woman who cyberstalked Kevin Spacey and threatened to blow up, torture and castrate the Oscar-winning actor was jailed in early 2012 and later sentenced to more than four years in prison. A judge also ordered the woman to pay Spacey $124,000 in restitution for bodyguards.