1. The “Lexa and I” line wasn’t in the original script for 3×05 – it was improvised by Eliza Taylor so the post-production team decided to keep that version for the final scene.
2. Lexa crying during the love scene in 3×07 wasn’t scripted it was all improvised by Alycia Debnam-Carey to bring more emotions to her character Lexa.
3. The “Oh my god” line was improvided by Eliza Taylor since originally it was not on the script. In the same scene the hug between Clarke and Lexa was improvised by the two ladies