"From Justin to Kelly" is often considered unsuccessful and poorly received, yet I still find myself liking the music and dance sequences within it. Even though Kelly Clarkson has openly expressed her disappointment with the film, I think it’s entertaining and pleasant to watch. My appreciation for this movie stems from how much I admire Kelly Clarkson. While Justin's portrayal can feel a little cheesy and exaggerated, Kelly delivers an energetic and delightful performance. If the story and writing had been stronger, I suspect that Kelly’s participation by itself might have made it popular with audiences. Sadly, awkward casting choices and a flimsy plot prevented the film from reaching its full promise. From a purely critical perspective, "From Justin to Kelly" doesn't represent high-quality filmmaking. Nevertheless, I can look past these issues and enjoy what it offers. It may not be considered a great musical or a classic piece of cinema, but Kelly Clarkson’s performance is certainly worth recognizing. The experience might have made her hesitant about similar ventures afterward, but her status as an exceptionally talented performer remains undeniable.

Source on TMDB