"No Regrets" is a song performed by legendary jazz singer Billie Holiday. The song is about a failed love affair that has ended suddenly, but despite the sadness and heartbreak, the singer has no regrets about the relationship. The lyrics express that the singer will always have feelings for the person they were with, even if they are gone. Although the person has moved on and found someone new, the singer is not bitter or resentful. Rather, they accept the situation and choose to let go with no regrets. Overall, "No Regrets" is a song about accepting the ups and downs of life, including the end of a romantic relationship. It's a reminder that while we may not always get what we want, we can still find peace in knowing that we gave it our all and hold no regrets in our hearts.