The actor ad-libbed most of his lines, making the scene feel more improvised.
Her ad-libbed jokes were so spontaneous and funny, they had the audience in stitches.
The singer's ad-libbed performance felt impromptu and raw, showcasing her true talent.
The comedian's ad-libbed remarks were all off-the-cuff and kept the audience laughing.
The speech was completely ad-libbed and unrehearsed, but surprisingly effective.