Ray Diaz, known for his role in Hulu's "East Los High", was taken into custody around 5 a.m.in San Diego.
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Police say a CT department store loss prevention officer is accused of sexually assaulting a girl he detained.
Diaz, 33 is a self-described entrepreneur and content creator with more than 304,000 subscribers on YouTube and 3.1 million followers on Instagram.More news: Sudanese protesters demand justice for army crackdown victims
According to police, a 17-year-old girl was interviewed revealing she had been dating Diaz for more than a year; clips posted on her social media account allegedly showed video evidence of Diaz being abusive towards her.
Earlier in the month, a clip appeared on Angelica's Instagram account that appeared to be Ray screaming and hitting her, which has since been deleted. "Currently, the Department has directed a group of investigators to look into these allegations", the police department wrote.
The Instagram and YouTube star, who goes by Ray Diaz on social media, has built a brand out of his workout videos and fitness advice.
The girl interviewed by "DramaAlert" said she had been in a relationship with Diaz since she was 16.More news: Irina Shayk says she strives to be herself as a mother
"After a thorough investigation, LAPD detectives from the elite Robbery-Homicide Division Special Assault Section arrested 33 yr old social media personality "Ray Diaz" for sexual assault in San Diego, CA, with the assistance of San Diego PD", police said. ". It was my fault if somebody would ever have any suspicions that him and I were dating".
Diaz denied the allegations of abuse last week on The Hollywood Fix and said he and the girl in the video were acting. "I'm not sure how ready I am to share my life that personally", she said when Keemstar asked her about it.
Diaz started out as a model in NY and won the role of Nicolas Reyes in Hulu's East Los High.More news: 'Star Trek' actress Stephanie Niznik dead at 52