One TV presenter that fits your description is Holly Willoughby. Her first name, Holly, has four letters, and her surname, Willoughby, has seven letters. She is well-known for her work on shows like "This Morning" in the UK.
Frasier
honesty is a seven letter word that begins with h
kangaroo?
The cast of Seven Days - 2000 includes: Carol Barnes as Presenter Natasha Kaplinsky as Presenter Omega Kayne as Lt. Owens Anna Maria Ashe as Presenter
The first seven-letter word that comes before "berth" in the dictionary is "berated."
The cast of Seven Ages of Fashion - 1975 includes: Madge Garland as Presenter Allan Hargreaves as Presenter
diddled gagging
Parsnip
Aquatic
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern S---AME. That is, seven letter words with 1st letter S and 5th letter A and 6th letter M and 7th letter E. In alphabetical order, they are: sirname surname
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -U--AME. That is, seven letter words with 2nd letter U and 5th letter A and 6th letter M and 7th letter E. In alphabetical order, they are: ducdame outname surname
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -UR--ME. That is, seven letter words with 2nd letter U and 3rd letter R and 6th letter M and 7th letter E. In alphabetical order, they are: surname