Here is the full list of all 22 Alexa's Wild Night achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Went home alone.
Admitted stripping for the Photo.
Became a savvy investor.
Disappointed your Boss.
Got fired from your Job.
Good Customer Service skills.
Stuck to your principals.
Completed the Photoshoot.
Needed a drink for photoshoot.
Went to the Photoshoot.
Got a real Girlfriend.
You kissed a girl and liked it.
Witnesses something special.
rejected a drink at the bar.
Fooled around with a stranger.
Had a one night stand.
Brendan proposed to you.
Brendan returned your feelings.
Rejected by Brendan.
Won the basketball match.
Went home with two guys.
Lost the basketball match.