I've checked the CLT results for this woman. CLT results are not conclusive.
We have some movies with an actress called "Melanie Hughes". I don't believe they are the same person!?
Most of her credits I could visually check, but there are 3 more movies I couldn't find actually, to make it clear.

IMDB

Quote:
"Melanie Hughes" is credited in the following 55 titles (236 profiles)
"Melanie Weaver" is credited in the following 1 titles (1 profiles)
"Melanie Hughes-Weaver" is credited in the following 36 titles (281 profiles)
"Melanie Hughes Weaver" is credited in the following 1 titles (10 profiles)
"Melanie R. Hughes" is credited in the following 1 titles (3 profiles)

Melanie Hughes 22 confirmed
Blue Streak (1999) as Makeup Supervisor
Bubble Boy (2001) as Makeup Department Head
Conagher (1991) as Make-Up
Cupid & Cate (2000) as Make-Up
Everybody Loves Raymond: Season 1, Episodes 1-6 (1996) as Make-Up
Executive Decision (1996) as Make-up Artist
Gun Shy (2000) as Makeup Artist
Gunsmoke: The Last Apache (1990) as Make-up
Just Cause (1995) as Make-up Artist for Mr. Connery + maybe an acting role Melanie Hughes as Receptionist
House Arrest (1996) as Key Make-Up Artist
Malcolm in the Middle: Season 1
Movie 43 (2013) as Make-up Department Head in "Middleschool Date"
Needful Things (1993) as Make-Up Artist to Ms. Bedelia
Playing by Heart (1998) as Makeup Artist
Rush Hour (1998) as Key Make-Up Artist
Rush Hour 2 (2001) as Department Head Make Up
Something to Live for: The Alison Gertz Story aka Fatal Love (1992) as Key Makeup Artist
Speed 2: Cruise Control (1997) as Make-up Artist
The Alarmist aka Life During Wartime (1997) as Make-up Artist
The Babysitter (1995) as Make-Up Artist
The Kid (2000) as Key Make-Up Artist
The Love Letter (1999) as Key Makeup Artist

Melanie Weaver 0 confirmed


Melanie Hughes-Weaver 20 confirmed
A Thousand Words (2012) as Makeup Department Head
Californication: Season 4, Episodes 1-9 (2011) as Make-Up Department Head
Californication: Season 5, Episodes 1-12 (2012) as Make-Up Department Head
Californication: Season 6, Episodes 1-12 (2013) as Make-Up Department Head
Cellular (2004) as Head Makeup Artist
Criminal (2004) as Key Makeup Artist
Dr. Seuss' The Cat in the Hat (2003) as Department Head Makeup
Hawthorne: Season 1, Episode 1 (2010) as Make-Up Dept Head
Laurel Canyon (2002) as Key Makeup Artist
Meet Dave (2008) as Department Head Make-up
Norbit (2007) as Makeup Department Head
Ocean's 13 (2007) as Make-Up Artist
Old Dogs (2009) as Make-Up For Ms. Preston
State of Mind aka Solitude (2003) as Department Head Make-up
The Lincoln Lawyer (2011) as Make-up Department Head
The Next Three Days (2010) as Department Head Makeup Artist
The Pursuit of Happyness (2006) as Department Head Makeup
The United States of Leland (2003) as Department Head Make-Up
Walk of Shame
Zathura (2005) as Department Head Makeup

Melanie Hughes Weaver 1 confirmed
The Women (2008) as Key Makeup Artist

Melanie R. Hughes 1 confirmed
Finding Forrester (2000) as Makeup Artist for Mr. Connery

List of not valid (0) credits:


List of not confirmed (2) and found by CLT:
Ride with the Wind (1994)
The Fire Next Time aka American Inferno (1993)

___________________________________________
Definition:
most confirmations
the first two or more are undecided (only if there is no most confirmed)
less confirmations than the most confirmed or the undecided (if available)

Miss the film State of Mind (Solitude) from 2003.

Thanks guys, I've updated the first post! 

Walk of Shame: Melanie Hughes-Weaver

Updated the first post!

Pitch Perfect 2@1:50:45
Make-Up Department Head  Melanie Hughes-Weaver

The Fire Next Time aka American Inferno (1993)
KEY MAKEUP  MELANIE HUGHES

Hairspray Live!@1:58:40
Makeup Supervisor
MELANIE HUGHES-WEAVER