The dog days of summer have produced high drama as far as Hollywood relationships in July. USA TODAY tracks down the month's top headline-making stars on the Celebrity Heat Index, which measures media exposure.
TOP NEWSMAKERS AND THEIR SCORES:
1. Katie Holmes (1,222): The actress surprises everyone, even husband Tom Cruise, by filing for divorce June 28 and again stuns celebrity observers when she reaches a divorce and custody settlement in just 11 days. She is photographed out and about with daughter Suri immediately after the divorce filing.
2. Tom Cruise (1,044): See No. 1.
3. Suri Cruise (356): See No. 1.
4. Emily Maynard (276): The Bachelorette star chooses Jef Holm as her Mr. Right. Another cycle of the series comes to an end.
5. Kourtney Kardashian (243): The reality TV star and her fiancé, Scott Disick, welcome baby girl Penelope Scotland on July 8. They also have a son, Mason, 2.
6. Kristen Stewart (185): The usually low-key actress makes a public apology for cheating on her boyfriend, Robert Pattinson, after photos are published showing her and married director Rupert Sanders getting intimate.
7. Robert Pattinson (153): See No. 6.
8. (tie) Jennifer Aniston (135): Everywhere she goes, the paparazzi follow. The actress only has to go on vacation with her love, Justin Theroux, to make the Heat Index's top 10.
8. (tie) Mila Kunis (135): Her relationship with former That '70s Show co-star Ashton Kutcher is the subject of media scrutiny after photos of the two getting cozy appear online.
10. (tie) Ashton Kutcher (120): See No. 8.
10. (tie) Jessica Simpson (120): Her post-pregnancy weight loss
gains momentum as a tabloid story.
LEADERS IN SPECIFIC CATEGORIES
Actress: Katie Holmes
Runner-up: Kristen Stewart
Holmes stays mum about her divorce, and Stewart releases a public apology to her beau for her affair with a married director.
Actor: Tom Cruise
Runner-up: Robert Pattinson
Relationship woes put these two in the spotlight as Cruise's divorce headlines are replaced by Pattinson's girlfriend's indiscretions.
Musician: Jessica Simpson
Runner-up: Miley Cyrus
A tale of two brides-to-be: Simpson focuses on her post-pregnancy body, while Cyrus shows off her lithe figure.
Reality star: Emily Maynard
Runner-up: Kourtney Kardashian
Maynard says she has found Mr. Right, while tabloids insist new mom Kardashian still hasn't found hers.