Karl and Susan believe Libby's new attitude to life is just a phase, which she denies. Blake O'Leary originally auditioned for the role of In August 2010, it was announced that O'Leary and Ben would be leaving the show in September.On 11 March 2014, it was announced that the character would be returning to One of Ben's early storylines upon his 2015 return was dealing with the consequences of sending naked pictures to his ex-girlfriend, Emma.Tyler supported Ben, who became "isolated" from everyone at Erinsborough High. She made her first on-screen appearance on 3 October 1994 and departed on 6 October 2004, returning briefly for a single episode on 18 October 2005 before returning on 12 November 2007. Karl suggests that he and Ben form a band called K-Squared and he organises a gig for them, but Ben does not want to play. He made his first screen appearance during the episode broadcast on 14 December 2001. Ben shows the students a video that he has recorded, in which he holds up cards detailing how he was in love and hoped that others would not make the same mistake. With Piper's encouragement, Ben lit a piece of paper on fire and held it under a sprinkler to set off the alarm system.After Libby was injured during a bike accident, she was told that she would not be able to carry a child to full-term. Susan grew concerned after Ben deleted his social media account and skipped school, after receiving a text message from an old friend in Ballarat.Once Ben had finally adjusted to living in Erinsborough, Karl wanted to bond with his grandson and was pleased when Ben joined him in playing the guitar.In late 2015, the local high school was damaged by a fire. Libby and Dan accept and Susan later becomes pregnant.

Karl tries to defuse the situation by taking them on a break, so they can talk. Libby blames Dan for the loss of their child and she ends their marriage. Elizabeth 'Libby' Grace Kennedy is a fictional character in the Australian soap Neighbours, played by Kym Valentine. However, she miscarries the baby and Libby has to tell Ben that he would not be a big brother. She is eventually found by her father, Karl, and husband, Drew Kirk, and airlifted to hospital. Dan begins to question Susan's interference in his and Libby's lives.

Darren cheats on Libby with Catherine O'Brien (Libby and Ben (Blake O'Leary) return to Erinsborough for a short stay, but when Susan is diagnosed with Libby returns to teaching at Erinsborough High and she develops feelings for Daniel Fitzgerald. Xanthe gets tipsy and is sick on Susan, who tells Ben not to spend time with Xanthe. During an interview, Susan Bower said that there is nothing interesting in watching an on-screen marriage that is working and she highlighted her plans for the couple; "It's a very, very slow, long burn and there's some wonderful humour and the fact there's the Brady Bunch a bit.
The character was previously played by Noah Sutherland, Sean Berends and Blake O'Leary.

Libby made a cameo in Annalise Hartman's 20th Anniversary documentary in 2005. She defuses an argument between Susan and Lyn and then comforts Toadie. Ben enrols at the school and befriends The following year, Ben turns up unannounced at Karl and Susan's house. However, she said that the only way she could "tackle" the role was to make Libby her own.Libby and Dan later marry. Tyler encourages Ben to take part in a school concert and his audition is successful. Elizabeth Grace Libby Kennedy (also Kennedy-Fitzgerald) is a fictional character from the Australian soap opera Neighbours, played by Kym Valentine. Xanthe Canning is instantly attracted to Ben.