She suffers from a serious drug addiction and is pressured by her mother, Constance, to support the family financially with her acting career.

During one of his visits to the clinic, Navid helps her reconnect with Naomi by driving to the Homecoming dance, where the two friends reconcile.

Eventually it is revealed that the baby's father is not Hank (whom she had slept with a few times when she was on drugs), but Ty Collins, her co-star in the school production of Spring Awakening.

Ty's mother gets kicked out of the house due to her arrogance and Constance talks to Adrianna and apologizes for putting so much pressure on her and they reconcile.

It is revealed that childhood friends Adrianna and Erin Silver have grown close once again during the summer through their mutual friendships with Naomi.

Navid and Adrianna's relationship has been progressing slowly, and while he is ready to take it to the next level, even going as far as to rent a cabana, she isn't, and still wants to wait.

As Adrianna's music career begins to take off, Laurel has her write a song which turns into a duet between her and famous singer Javier.

Eventually Victor becomes fed up and reveals Adrianna's secret to the world just as her career really begins to take off, and just as Navid starts to fall in love with Silver, her best friend, unbeknownst to her.

However, the next scene shows that Adrianna's willingness to make up is insincere as she exchanges Silver's bipolar medication for unknown pills.

Adrianna visits the hospital, pretending to be a caring friend, and takes Navid home, giving him alcohol and falling asleep next to him on a bed.

At a party for Ivy and Raj, Silver's stolen medicine falls out of her purse and all her friends turn their backs on her, which makes her think about committing suicide.

Dixon decides to use a song Adrianna sang at a benefit for Raj, their friend Ivy Sullivan's husband, and remix it to include his own lyrics.

This sets up the storyline for the latter half of the second season which will begin in 2012 where Adrianna will deal with the repressed repercussions of giving the baby up for adoption as she attempts to reconnect with her child.

Adrianna learns from Navid that Silver is dating the adoptive father of her child Maisie and that they're planning on moving to New York City.

Upset at the possibility that Silver might raise her daughter, Adrianna pays a surprise visit to Maisie picking her up from daycare pretending to be Greg's girlfriend.

Dixon and Adrianna continue to collaborate musically and he asks her to move in with him once they tell each other that they're in love with one another and soon after land a meeting with a major movie producer to discuss music on his next film, but are sabotaged by Vanessa, Liam's girlfriend, who is trying to work behind the scenes to make Liam a movie star.

Dixon collapses while arguing in the recording studio with Adrianna, and he is taken to the hospital for observation where he and Ade learn that he has a congenital heart condition and he only has 5 years left to live.

Navid arrives back in town for a visit where Dixon confesses to him the truth but admits he did not tell Adrianna because the label didn't want to sign her.

Dixon also accepts a gig to go on tour to play backup for Haley Reinhart, but doesn't tell Adrianna, but she later finds out anyway and forces him to choose either her or his career.

Soon after Austin returns to Los Angeles and offers to be Adrianna's new manager, suggesting she start singing country music as a change of tune to her career after Dixon leaves town without saying goodbye.

Austin enlists his father, Judd Ridge, to help launch Adrianna's new country-western career as a side act.

Adrianna agrees, but soon regrets it when Dixon fails to show up at their meeting spot and she thinks he bailed on her again, but in reality he gets into a fatal car accident with his bandmates.

During the final moment of the season, Adrianna leaves town with Austin to go on tour as the latest country-western star and him as her manager.

Adrianna continues her country music tour, unaware that Dixon has gotten into a life-threatening car accident and is in a coma in a hospital back in Los Angeles.

Annie finally manages to contact Ade in Vegas and gets her to return to Los Angeles to be with an unconscious Dixon, and the two girls decide to move into the beach apartment together.

Adrianna soon learns that Taylor has become Liam and Navid's business partner and she fails at attempting to avoid him after she becomes confused about her feelings toward him after he kisses her.

[1] Speaking about Adrianna's lesbian relationship with Gia, Lowndes said that it was important that the characters act like any other couple on the series.

"[4] Actress Lowndes acknowledged that initial response to her character was "a little negative — people loved to hate me, and my haircut".

Lowndes defended the character's earlier behavior, saying, "I never know what they're going to write, but I think drugs made her who you saw at the beginning.

Lane felt that the writers did not address the situation well, and did not like that the storyline picked up with Adrianna "enjoying a luxurious stay at a star-studded rehab", whereas the previous episode had ended with her overdosing.