NO MATCHING SIGNS
She is a Cancer, he is a Sagittarius. Her Moon is in Taurus and his in Leo (and that gives a strong will and perseverance!). Her Mercury in Gemini doesn't match with his in Scorpio. Her Mars in Gemini is in a sign opposite his Mars in Sagittarius! Jupiter in Aquarius doesn't match with Jupiter in Scorpio, either. It doesn't stop raining not matching signs! How come that they are still together?
VENUS TRINE VENUS
'Goodwill and willingness to bend', Meryl Streep said. And there is one great aspect that shows goodwill: VENUS exactly TRINE VENUS. That harmonious aspect between the planet of love makes it easy to love each other. It is a very nice aspect in a relationship! Venus trine Venus for 'Goodwill and willingness to bend' is a benefit for any relationship:)! As you see from this example, Venus (= luv:) helps to overcome many differences!
Meryl and Don both have an aspect between Sun and Uranus. Sharing Sun-Uranus means (I quote the article on Astromarkt about sharing aspects):
Sun and Uranus shared in aspect might indicate joined rebellion. How long this will last in a proper family home in a suburb, especially when the aspect is hard? But in a group of inventive people or in a place where news items are made you certainly can go for ‘sensation’ together. This relationship could have an unusual start. But too much tension could lead to stress, even if the surprises are nice. Both being independent and willing to be free it will be hard to stay together as a couple. With harmonious aspects this tendency for doing things the way you want it, will be tempered.SUN-URANUS
Sharing a hectic life, allowing each other to be different, free and independent might be the solution for a Hollywood couple. They are both 'different than the rest is', a special kind of couple in a world of divorce. Sun-Uranus in a woman's chart is one of the indications for possible divorce. And they live in separate worlds.
In her chart Sun is conjunct Uranus and they are ruling the first and seventh house. Maybe the Sun-Uranus opposition in the chart of her husband magically fitted with that. He is a sculptor, not a movie star. They live different kinds of life and perhaps that is what they want.
No, there is no match. But they share the will to be independent and the will to make life (and the world) a better place. And last but not least: there is love between them.
This is Meryl Streep's chart with the position on the day of birth of her husband Don Gummer.
For more about the talent of Meryl Streep, see Art&Astrology