The I Love the 80s Expansion Disc Add-on for Lips has 12 achievements worth 250 gamerscore.
Score points in all 40 Lips I the '80s songs
Score points in 20 or more Lips I the '80s songs
Score points in 10 or more Lips I the '80s songs
Earn a Pitch medal in the song "A Little Respect"
Earn a Rhythm medal in the song "Our House"
Earn a Stability medal in the song "Gold"
Earn a Technique medal in the song "Shout"
Earn a Performance medal in the song "Too Shy"
Earn a Party medal in the song "Celebration"
Win in Vocal Fighters with a 4-point difference on the song "Do You Really Want To Hurt Me"
Earn a Big Bang rating in the song "Relax"
Rank "Match Made in Heaven" in the Kiss minigame on the song "The Power of Love"