She is the daughter of fashion designer Lin Milano and film-music editor Thomas M. From the beginning of her childhood, she had a keen interest in acting and also began to learn from the very early age.
Moving towards her nationality, she is American and her ethnicity is Italian.
Furthermore, she has also dated numerous hunks in her life.
A couple of years later, Alyssa began going out with baseball player Brad Penny as well as Italian baseball pitcher, Barry Zito.
Back in 1998, she started to appear Phoebe Halliwell in Charmed.
Furthermore, she has acted in the series for almost eight series from 1998 to 2006.
Alyssa is hugely active on social media such as Instagram, Facebook, and Twitter.
Currently, she has more than 1.5 million followers on Instagram, almost 3.5 million followers on Twitter, and around 1.6 million followers on Facebook.