"Best Thing I Never Had" is a song by American singer Beyoncé Knowles taken from her fourth studio album, 4 (2011). An R&B-pop song, "Best Thing I Never Had" has lyrics about revenge and karma. Not wanting to end up broken-hearted, the female protagonist relates that she feels happy to have parted from her love interest who did not recognize the potential of leading a happy life beside her. Critical reception towards "Best Thing I Never Had" has been generally positive; several music critics noted that its theme and style bear resemblance to Knowles' 2006 single, "Irreplaceable". Knowles' vocals and the lyrical content of the song were also complimented. However, the inclusion of lines, including "showed your ass", were criticized. "Best Thing I Never Had" peaked at number 16 on the US Billboard Hot 100 chart and at number four on the US Hot R&B/Hip-Hop Songs chart. The accompanying music video for the single was by Diane Martel. In the video, Knowles is seen getting ready for her wedding. She recalls how her ex-love interest who never gave her the attention she deserved. Critics generally praised Knowles as looking stunning in the bridal suite and commended her ability to sing directly to the camera, affirming the subject of the song that she was the best he ever had.