"Signed, Sealed, Delivered (I'm Yours)" is actually a cover of the original song by Stevie Wonder, released in 1970. Jimmy Barnes, an Australian musician, recorded his version of the song in 2000. The lyrics of the song express the narrator's feelings of regret and longing for their lost love. The song begins with the narrator admitting that they made a mistake by staying in a relationship for too long, wondering if their partner's love is still strong. Despite this, they declare themselves fully committed and devoted, presenting themselves as "signed, sealed, delivered." In the next verse, the narrator recounts another mistake they made by saying goodbye previously but now regrets it. They express their vulnerability and readiness to be emotionally open by stating that they are back and not ashamed to cry. Once again, they assert their dedication by declaring themselves "signed, sealed, delivered" and fully belonging to their loved one. The chorus repeats the phrase "Here I am baby, signed, sealed, delivered, I'm yours," emphasizing their commitment and giving themselves completely to their partner. The lyrics imply that their future lies in their partner's hands, suggesting they trust their loved one in guiding their journey. The bridge of the song reflects on the narrator's past actions, admitting to foolish mistakes and acknowledging that certain things they encountered in the world meant nothing without their loved one. The lyrics underline the significance and influence their partner holds over their emotions and life. Overall, "Signed, Sealed, Delivered (I'm Yours)" portrays a sense of remorse, yearning, and a strong desire to reconnect with lost love. It showcases the narrator's willingness to give themselves completely to their partner, emphasizing the depth of their feelings.