!![[Film/LegallyBlonde The Film]]
* HeyItsThatVoice: Elle's guidance counselor was [[WesternAnimation/{{Recess}} Miss Grotke]].
* HeyItsThatGuy:
** Callahan helped build the [[Film/{{Titanic 1997}} Titanic]].
** Brooke's teenage past includes run-ins with the [[Film/{{FinalDestination}} reaper]].
** Dorky David seems to have been promoted from [[Film/{{NotAnotherTeenMovie}} extra]].
** Vivian is [[Film/{{CruelIntentions}} Cecile Caldwell]]!
** In the third movie, ''Legally Blondes'', the twin protagonists are Janice and Jessica from ''Series/TheSuiteLifeOfZackAndCody''.

!![[Theatre/LegallyBlonde The musical adaptation]]
* HeyItsThatGuy:
** In the Savoy Theatre production from 2010-2011, Professor Callahan [[Series/DoctorWho traveled around in a Blue Box with celery on him.]] Now he's just [[Series/LawAndOrderUK Director of the [=CPS=]]].
** Hey, the original Elle was [[Series/HowIMetYourMother Becky]], aka, "Boats Boats Boats!"
* RomanceOnTheSet: The original Elle and Emmett - Laura Bell Bundy and Christian Borle - fell in love during the show's run and dated for a while after (they've broken up since then, though).