Jason Alexander's next hearing is Tuesday.
He's been charged with felony stalking and misdemeanor counts of trespassing, vandalism and battery.
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Britney Spears marries Sam Asghari; ex-husband arrested after trespassing before the ceremony
Alexander was married to Spears for less than three days in 2004.
Spears and her husband Sam Asghari have obtained an emergency protective order against Alexander.