A first half brace from James Maddison and an a clever finish from Jamie Vardy was more than enough for Brendan Rodgers' impressive team.
Albion had their chances and Danny Welbeck missed a golden opportunity when the scores were locked at 0-0.
But after that, all of the attacking threat came from Leicester and Brighton really struggled to be competitive.
Leicester moved to third in the table while Brighton are 16th and are in the thick of a developing relegation struggle.
Scroll down and click through to see who struggled and who shone at the King Power.
13. Alexis Mac Allister 5/10
On for Bissouma with 15 minutes remaining
14. Steven Alzate 5/10
Good to see him back in the team after a spell on the sidelines. Came on for AJ on 55 minutes and was neat in possession but couldn't help Brighton force their back into the match