What's going on in Tucson, Arizona this weekend: Charli XCX dance party, burlesque festival, Grandparents Day celebrations, stargazing and more in Tucson, Marana and Oro Valley.

What’s going on in Tucson, Arizona this weekend: Charli XCX dance party, burlesque festival, Grandparents Day celebrations, stargazing and more in Tucson, Marana and Oro Valley.